{"id":2228,"date":"2025-10-12T12:52:46","date_gmt":"2025-10-12T05:52:46","guid":{"rendered":"https:\/\/kienthucmo.com\/?p=2228"},"modified":"2026-01-25T22:50:24","modified_gmt":"2026-01-25T15:50:24","slug":"nguyen-tac-contrast-thiet-ke-web","status":"publish","type":"post","link":"https:\/\/kienthucmo.com\/vi\/nguyen-tac-contrast-thiet-ke-web\/","title":{"rendered":"Contrast trong thi\u1ebft k\u1ebf web l\u00e0 g\u00ec? C\u00e1ch s\u1eed d\u1ee5ng hi\u1ec7u qu\u1ea3 \u0111\u1ec3 t\u0103ng t\u00ednh th\u1ea9m m\u1ef9 v\u00e0 tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng"},"content":{"rendered":"\n

Thi\u1ebft k\u1ebf th\u1ecb gi\u00e1c kh\u00f4ng ch\u1ec9 l\u00e0 \u201ccho \u0111\u1eb9p\u201d – n\u00f3 l\u00e0 c\u00e1ch m\u00ecnh truy\u1ec1n t\u1ea3i th\u00f4ng tin, c\u1ea3m x\u00fac v\u00e0 h\u01b0\u1edbng ng\u01b0\u1eddi xem \u0111\u1ebfn nh\u1eefng \u0111i\u1ec3m quan tr\u1ecdng nh\u1ea5t. Trong m\u1ed9t giao di\u1ec7n hay poster c\u00f3 h\u00e0ng t\u00e1 y\u1ebfu t\u1ed1 c\u00f9ng tranh gi\u00e0nh s\u1ef1 ch\u00fa \u00fd, nguy\u00ean l\u00fd Contrast <\/strong>(\u0111\u1ed9 t\u01b0\u01a1ng ph\u1ea3n) \u0111\u00f3ng vai tr\u00f2 then ch\u1ed1t: n\u00f3 gi\u00fap ph\u00e2n c\u1ea5p th\u00f4ng tin, t\u1ea1o \u0111i\u1ec3m nh\u1ea5n v\u00e0 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng \u0111\u1ecdc hi\u1ec3u.
Trong b\u00e0i vi\u1ebft n\u00e0y m\u0129nh s\u1ebd c\u00f9ng b\u1ea1n t\u00ecm hi\u1ec3u s\u00e2u v\u1ec1 nguy\u00ean l\u00fd Contrast: t\u1eeb kh\u00e1i ni\u1ec7m, c\u00e1c lo\u1ea1i contrast, c\u00e1ch \u00e1p d\u1ee5ng trong thi\u1ebft k\u1ebf web v\u00e0 UX, \u0111\u1ebfn nh\u1eefng l\u1ed7i th\u01b0\u1eddng g\u1eb7p v\u00e0 c\u00f4ng c\u1ee5 h\u1eefu \u00edch \u0111\u1ec3 ki\u1ec3m tra.<\/p>\n\n\n\n

\"Kh\u00e1i<\/figure>\n\n\n\n

1. Kh\u00e1i ni\u1ec7m v\u1ec1 Contrast trong thi\u1ebft k\u1ebf<\/h2>\n\n\n\n

Contrast (\u0111\u1ed9 t\u01b0\u01a1ng ph\u1ea3n)<\/strong> l\u00e0 s\u1ef1 kh\u00e1c bi\u1ec7t r\u00f5 r\u00e0ng gi\u1eefa hai ho\u1eb7c nhi\u1ec1u y\u1ebfu t\u1ed1 th\u1ecb gi\u00e1c nh\u01b0 m\u00e0u s\u1eafc, k\u00edch th\u01b0\u1edbc, ki\u1ec3u ch\u1eef, h\u00ecnh d\u1ea1ng, kho\u1ea3ng c\u00e1ch ho\u1eb7c chuy\u1ec3n \u0111\u1ed9ng. Nh\u1edd c\u00f3 contrast, c\u00e1c y\u1ebfu t\u1ed1 trong b\u1ed1 c\u1ee5c kh\u00f4ng b\u1ecb h\u00f2a l\u1eabn, m\u00e0 \u0111\u01b0\u1ee3c ph\u00e2n t\u00e1ch r\u00f5 r\u00e0ng, gi\u00fap m\u1eaft ng\u01b0\u1eddi d\u1ec5 d\u00e0ng nh\u1eadn ra tr\u1ecdng t\u00e2m c\u1ee7a thi\u1ebft k\u1ebf.<\/p>\n\n\n\n

Khi m\u1ed9t y\u1ebfu t\u1ed1 c\u00f3 \u0111\u1ed9 t\u01b0\u01a1ng ph\u1ea3n cao so v\u1edbi n\u1ec1n ho\u1eb7c c\u00e1c ph\u1ea7n xung quanh, m\u1eaft ng\u01b0\u1eddi s\u1ebd t\u1ef1 \u0111\u1ed9ng b\u1ecb thu h\u00fat v\u1ec1 n\u00f3 – \u0111\u00f3 l\u00e0 ph\u1ea3n \u1ee9ng t\u1ef1 nhi\u00ean c\u1ee7a th\u1ecb gi\u00e1c. V\u00ec v\u1eady, contrast kh\u00f4ng ch\u1ec9 t\u1ea1o \u0111i\u1ec3m nh\u1ea5n m\u00e0 c\u00f2n gi\u00fap h\u01b0\u1edbng d\u1eabn \u00e1nh nh\u00ecn, khi\u1ebfn ng\u01b0\u1eddi xem \u0111i theo m\u1ed9t tr\u00ecnh t\u1ef1 logic m\u00e0 ng\u01b0\u1eddi thi\u1ebft k\u1ebf mong mu\u1ed1n.<\/p>\n\n\n\n

Trong th\u1ef1c t\u1ebf, contrast th\u01b0\u1eddng d\u00f9ng \u0111\u1ec3:<\/p>\n\n\n\n

    \n
  • T\u1ea1o ph\u00e2n c\u1ea5p th\u1ecb gi\u00e1c (Visual hierarchy):<\/strong> Gi\u00fap ng\u01b0\u1eddi xem nh\u1eadn bi\u1ebft nhanh \u0111\u00e2u l\u00e0 ph\u1ea7n ch\u00ednh, \u0111\u00e2u l\u00e0 ph\u1ea7n ph\u1ee5.<\/li>\n\n\n\n
  • T\u0103ng kh\u1ea3 n\u0103ng \u0111\u1ecdc (Readability) v\u00e0 nh\u1eadn di\u1ec7n k\u00fd t\u1ef1 (Legibility):<\/strong> Gi\u00fap v\u0103n b\u1ea3n r\u00f5 r\u00e0ng, d\u1ec5 ti\u1ebfp c\u1eadn tr\u00ean m\u1ecdi n\u1ec1n m\u00e0u.<\/li>\n\n\n\n
  • Truy\u1ec1n t\u1ea3i c\u1ea3m x\u00fac v\u00e0 phong c\u00e1ch thi\u1ebft k\u1ebf:<\/strong> Contrast m\u1ea1nh mang l\u1ea1i c\u1ea3m gi\u00e1c hi\u1ec7n \u0111\u1ea1i, n\u0103ng \u0111\u1ed9ng; contrast nh\u1eb9 l\u1ea1i g\u1ee3i n\u00ean s\u1ef1 tinh t\u1ebf, t\u1ed1i gi\u1ea3n.<\/li>\n<\/ul>\n\n\n\n

    \u2192 T\u00f3m l\u1ea1i, contrast ch\u00ednh l\u00e0 \u201cs\u1ee3i d\u00e2y d\u1eabn\u201d gi\u00fap \u00e1nh nh\u00ecn \u0111\u01b0\u1ee3c \u0111\u1ecbnh h\u01b0\u1edbng \u0111\u00fang ch\u1ed7, bi\u1ebfn m\u1ed9t thi\u1ebft k\u1ebf t\u1eeb \u0111\u01a1n \u0111i\u1ec7u tr\u1edf n\u00ean sinh \u0111\u1ed9ng v\u00e0 d\u1ec5 hi\u1ec3u h\u01a1n.<\/p>\n\n\n

    \n
    \"Kh\u00e1i<\/figure>\n<\/div>\n\n\n

    2. V\u00ec sao Contrast quan tr\u1ecdng trong thi\u1ebft k\u1ebf<\/h2>\n\n\n\n

    Contrast kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 y\u1ebfu t\u1ed1 th\u1ea9m m\u1ef9, m\u00e0 c\u00f2n l\u00e0 n\u1ec1n t\u1ea3ng c\u1ee7a kh\u1ea3 n\u0103ng truy\u1ec1n \u0111\u1ea1t th\u00f4ng tin th\u1ecb gi\u00e1c hi\u1ec7u qu\u1ea3. M\u1ed9t thi\u1ebft k\u1ebf c\u00f3 contrast t\u1ed1t gi\u00fap ng\u01b0\u1eddi xem hi\u1ec3u ngay \u0111\u00e2u l\u00e0 tr\u1ecdng t\u00e2m, \u0111\u00e2u l\u00e0 ph\u1ea7n ph\u1ee5, v\u00e0 ti\u1ebfp nh\u1eadn th\u00f4ng tin m\u1ed9t c\u00e1ch t\u1ef1 nhi\u00ean h\u01a1n.<\/p>\n\n\n\n

      \n
    • T\u1ea1o \u0111i\u1ec3m nh\u1ea5n (Focus):<\/strong> M\u1eaft ng\u01b0\u1eddi ch\u1ec9 c\u00f3 th\u1ec3 t\u1eadp trung v\u00e0o m\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1 nh\u1ea5t \u0111\u1ecbnh. Nh\u1edd contrast, ta c\u00f3 th\u1ec3 h\u01b0\u1edbng \u00e1nh nh\u00ecn c\u1ee7a h\u1ecd \u0111\u1ebfn nh\u1eefng ph\u1ea7n quan tr\u1ecdng nh\u1ea5t – nh\u01b0 ti\u00eau \u0111\u1ec1, n\u00fat b\u1ea5m, ho\u1eb7c h\u00ecnh \u1ea3nh ch\u00ednh.<\/li>\n\n\n\n
    • T\u1ed5 ch\u1ee9c th\u00f4ng tin:<\/strong> S\u1eed d\u1ee5ng contrast gi\u1eefa k\u00edch th\u01b0\u1edbc, m\u00e0u s\u1eafc ho\u1eb7c kho\u1ea3ng tr\u1eafng gi\u00fap ph\u00e2n t\u1ea7ng n\u1ed9i dung, khi\u1ebfn ng\u01b0\u1eddi xem d\u1ec5 \u0111\u1ecdc, d\u1ec5 hi\u1ec3u c\u1ea5u tr\u00fac t\u1ed5ng th\u1ec3.<\/li>\n\n\n\n
    • C\u1ea3i thi\u1ec7n tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng (UX):<\/strong> Khi \u0111\u1ed9 t\u01b0\u01a1ng ph\u1ea3n \u0111\u01b0\u1ee3c x\u1eed l\u00fd h\u1ee3p l\u00fd, ng\u01b0\u1eddi \u0111\u1ecdc kh\u00f4ng c\u1ea7n c\u1ed1 g\u1eafng qu\u00e1 nhi\u1ec1u \u0111\u1ec3 ph\u00e2n bi\u1ec7t c\u00e1c y\u1ebfu t\u1ed1, t\u1eeb \u0111\u00f3 gi\u1ea3m m\u1ecfi m\u1eaft v\u00e0 t\u0103ng t\u1ed1c \u0111\u1ed9 ti\u1ebfp nh\u1eadn th\u00f4ng tin.<\/li>\n\n\n\n
    • T\u0103ng kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn (Accessibility):<\/strong> M\u1ed9t v\u0103n b\u1ea3n c\u00f3 \u0111\u1ed9 t\u01b0\u01a1ng ph\u1ea3n r\u00f5 gi\u1eefa ch\u1eef v\u00e0 n\u1ec1n gi\u00fap ng\u01b0\u1eddi c\u00f3 th\u1ecb l\u1ef1c y\u1ebfu ho\u1eb7c khi\u1ebfm th\u1ecb nh\u1eb9 v\u1eabn \u0111\u1ecdc \u0111\u01b0\u1ee3c n\u1ed9i dung m\u1ed9t c\u00e1ch d\u1ec5 d\u00e0ng.<\/li>\n<\/ul>\n\n\n\n

      V\u00ed d\u1ee5, m\u1ed9t n\u00fat \u201cCall to Action<\/strong>\u201d (CTA) c\u00f3 m\u00e0u n\u1ed5i b\u1eadt, k\u00edch th\u01b0\u1edbc l\u1edbn h\u01a1n v\u00e0 \u0111\u01b0\u1ee3c \u0111\u1eb7t c\u00e1ch xa c\u00e1c y\u1ebfu t\u1ed1 kh\u00e1c s\u1ebd thu h\u00fat l\u01b0\u1ee3t nh\u1ea5n nhi\u1ec1u h\u01a1n so v\u1edbi m\u1ed9t n\u00fat ch\u00ecm trong n\u1ec1n. Contrast \u1edf \u0111\u00e2y ch\u00ednh l\u00e0 y\u1ebfu t\u1ed1 tr\u1ef1c ti\u1ebfp quy\u1ebft \u0111\u1ecbnh s\u1ef1 ch\u00fa \u00fd v\u00e0 h\u00e0nh \u0111\u1ed9ng c\u1ee7a ng\u01b0\u1eddi d\u00f9ng.<\/p>\n\n\n

      \n
      \"<\/figure>\n<\/div>\n\n\n

      3. C\u00e1c lo\u1ea1i Contrast th\u01b0\u1eddng g\u1eb7p trong thi\u1ebft k\u1ebf<\/h2>\n\n\n\n

      Contrast l\u00e0 c\u00f4ng c\u1ee5 gi\u00fap thi\u1ebft k\u1ebf tr\u1edf n\u00ean r\u00f5 r\u00e0ng, h\u1ea5p d\u1eabn v\u00e0 d\u1ec5 hi\u1ec3u h\u01a1n. Khi bi\u1ebft c\u00e1ch ph\u1ed1i h\u1ee3p nhi\u1ec1u lo\u1ea1i contrast, b\u1ea1n s\u1ebd \u0111i\u1ec1u khi\u1ec3n \u0111\u01b0\u1ee3c h\u00e0nh vi v\u00e0 c\u1ea3m x\u00fac c\u1ee7a ng\u01b0\u1eddi xem.<\/p>\n\n\n

      \n
      \"C\u00e1c<\/figure>\n<\/div>\n\n\n

      3.1 Contrast v\u1ec1 m\u00e0u s\u1eafc (Color Contrast)<\/h3>\n\n\n\n

      \u0110\u00e2y l\u00e0 d\u1ea1ng ph\u1ed5 bi\u1ebfn v\u00e0 d\u1ec5 nh\u1eadn th\u1ea5y nh\u1ea5t. Contrast m\u00e0u gi\u00fap t\u1ea1o \u0111i\u1ec3m nh\u1ea5n, ph\u00e2n c\u1ea5p th\u00f4ng tin v\u00e0 \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng \u0111\u1ecdc.<\/p>\n\n\n\n

      \"Contrast<\/figure>\n\n\n\n

      Ba y\u1ebfu t\u1ed1 ch\u00ednh c\u1ee7a color contrast:<\/p>\n\n\n\n

        \n
      • Luminance (\u0111\u1ed9 s\u00e1ng\/t\u1ed1i):<\/strong> ch\u1eef tr\u1eafng tr\u00ean n\u1ec1n \u0111en, ho\u1eb7c ng\u01b0\u1ee3c l\u1ea1i, lu\u00f4n d\u1ec5 \u0111\u1ecdc h\u01a1n ch\u1eef x\u00e1m tr\u00ean n\u1ec1n x\u00e1m.<\/li>\n\n\n\n
      • Hue (m\u00e0u s\u1eafc):<\/strong> m\u00e0u n\u00f3ng (\u0111\u1ecf, cam) th\u01b0\u1eddng n\u1ed5i b\u1eadt h\u01a1n m\u00e0u l\u1ea1nh (xanh, t\u00edm).<\/li>\n\n\n\n
      • Saturation (\u0111\u1ed9 b\u00e3o h\u00f2a):<\/strong> m\u00e0u r\u1ef1c m\u1ea1nh h\u01a1n thu h\u00fat s\u1ef1 ch\u00fa \u00fd nhi\u1ec1u h\u01a1n m\u00e0u nh\u1ea1t.<\/li>\n<\/ul>\n\n\n\n

        Nguy\u00ean t\u1eafc th\u1ef1c h\u00e0nh:<\/strong><\/p>\n\n\n\n

          \n
        • Gi\u1eef t\u1ec9 l\u1ec7 t\u01b0\u01a1ng ph\u1ea3n t\u1ed1i thi\u1ec3u 4.5:1 gi\u1eefa ch\u1eef v\u00e0 n\u1ec1n (theo chu\u1ea9n WCAG).<\/li>\n\n\n\n
        • D\u00f9ng quy t\u1eafc 60\u201330\u201310 \u0111\u1ec3 ph\u1ed1i m\u00e0u: 60% m\u00e0u n\u1ec1n ch\u00ednh, 30% m\u00e0u ph\u1ee5, 10% m\u00e0u nh\u1ea5n.<\/li>\n\n\n\n
        • Khi l\u00e0m UI, th\u1eed nghi\u1ec7m v\u1edbi ch\u1ebf \u0111\u1ed9 \u201cgrayscale\u201d \u0111\u1ec3 ki\u1ec3m tra \u0111\u1ed9 t\u01b0\u01a1ng ph\u1ea3n th\u1ef1c s\u1ef1.<\/li>\n<\/ul>\n\n\n\n

          3.2 Contrast v\u1ec1 k\u00edch th\u01b0\u1edbc (Size Contrast)<\/h3>\n\n\n\n

          K\u00edch th\u01b0\u1edbc l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh th\u1ee9 b\u1eadc th\u1ecb gi\u00e1c (visual hierarchy).<\/p>\n\n\n\n

            \n
          • Ti\u00eau \u0111\u1ec1 l\u1edbn<\/strong> gi\u00fap thu h\u00fat s\u1ef1 ch\u00fa \u00fd \u0111\u1ea7u ti\u00ean.<\/li>\n\n\n\n
          • N\u1ed9i dung nh\u1ecf h\u01a1n<\/strong> gi\u00fap t\u1ea1o c\u1ea3m gi\u00e1c c\u00e2n b\u1eb1ng, kh\u00f4ng l\u1ea5n \u00e1t ti\u00eau \u0111\u1ec1.<\/li>\n\n\n\n
          • Gi\u1eef t\u1ec9 l\u1ec7 h\u1ee3p l\u00fd: v\u00ed d\u1ee5 heading l\u1edbn g\u1ea5p 1.5\u20132 l\u1ea7n body text.<\/li>\n<\/ul>\n\n\n\n

            M\u1eb9o nh\u1ecf:<\/strong>
            B\u1ea1n c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng size contrast kh\u00f4ng ch\u1ec9 cho text m\u00e0 c\u00f2n cho icon, button, card, ho\u1eb7c image thumbnail \u0111\u1ec3 d\u1eabn h\u01b0\u1edbng ng\u01b0\u1eddi d\u00f9ng hi\u1ec7u qu\u1ea3 h\u01a1n.<\/p>\n\n\n

            \n
            \"Contrast<\/figure>\n<\/div>\n\n\n

            3.3 Contrast v\u1ec1 ki\u1ec3u ch\u1eef (Typography Contrast)<\/h3>\n\n\n\n

            S\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 ki\u1ec3u ch\u1eef gi\u00fap t\u1ea1o phong c\u00e1ch v\u00e0 nh\u1ea5n m\u1ea1nh n\u1ed9i dung quan tr\u1ecdng.<\/p>\n\n\n\n

              \n
            • K\u1ebft h\u1ee3p serif v\u00e0 sans-serif \u0111\u1ec3 ph\u00e2n bi\u1ec7t ti\u00eau \u0111\u1ec1 v\u00e0 n\u1ed9i dung (v\u00ed d\u1ee5: ti\u00eau \u0111\u1ec1 serif \u2013 n\u1ed9i dung sans-serif).<\/li>\n\n\n\n
            • D\u00f9ng ch\u1eef \u0111\u1eadm \u2013 ch\u1eef m\u1ea3nh ho\u1eb7c in hoa \u2013 th\u01b0\u1eddng \u0111\u1ec3 t\u1ea1o \u0111\u1ed9 nh\u1ea5n.<\/li>\n\n\n\n
            • Ch\u1ec9 n\u00ean d\u00f9ng t\u1ed1i \u0111a 2\u20133 font \u0111\u1ec3 gi\u1eef s\u1ef1 nh\u1ea5t qu\u00e1n.<\/li>\n\n\n\n
            • \u0110i\u1ec1u ch\u1ec9nh line-height (kho\u1ea3ng c\u00e1ch d\u00f2ng) v\u00e0 letter-spacing (kho\u1ea3ng c\u00e1ch ch\u1eef) \u0111\u1ec3 t\u0103ng \u0111\u1ed9 d\u1ec5 \u0111\u1ecdc, \u0111\u1eb7c bi\u1ec7t tr\u00ean m\u00e0n h\u00ecnh nh\u1ecf.<\/li>\n<\/ul>\n\n\n\n
              \"\"<\/figure>\n\n\n\n

              3.4 Contrast v\u1ec1 h\u00ecnh d\u1ea1ng (Shape Contrast)<\/h3>\n\n\n\n

              C\u00e1c h\u00ecnh d\u1ea1ng kh\u00e1c nhau mang \u00fd ngh\u0129a th\u1ecb gi\u00e1c kh\u00e1c nhau:<\/p>\n\n\n\n

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              • H\u00ecnh tr\u00f2n<\/strong> th\u01b0\u1eddng g\u1ee3i s\u1ef1 m\u1ec1m m\u1ea1i, th\u00e2n thi\u1ec7n.<\/li>\n\n\n\n
              • H\u00ecnh vu\u00f4ng ho\u1eb7c ch\u1eef nh\u1eadt<\/strong> t\u1ea1o c\u1ea3m gi\u00e1c ch\u1eafc ch\u1eafn, m\u1ea1nh m\u1ebd.<\/li>\n\n\n\n
              • \u0110\u01b0\u1eddng cong<\/strong> mang t\u00ednh t\u1ef1 nhi\u00ean, c\u00f2n \u0111\u01b0\u1eddng th\u1eb3ng th\u1ec3 hi\u1ec7n s\u1ef1 c\u1ee9ng c\u00e1p, hi\u1ec7n \u0111\u1ea1i.<\/li>\n<\/ul>\n\n\n\n

                Trong UI, m\u1ed9t n\u00fat tr\u00f2n gi\u1eefa nhi\u1ec1u th\u1ebb vu\u00f4ng s\u1ebd l\u1eadp t\u1ee9c n\u1ed5i b\u1eadt h\u01a1n. B\u1ea1n c\u00f3 th\u1ec3 t\u1eadn d\u1ee5ng \u0111i\u1ec1u n\u00e0y \u0111\u1ec3 l\u00e0m n\u1ed5i b\u1eadt c\u00e1c Call-to-Action<\/strong> ho\u1eb7c th\u00f4ng tin quan tr\u1ecdng.<\/p>\n\n\n\n

                \"<\/figure>\n\n\n\n

                3.5 Contrast v\u1ec1 kho\u1ea3ng c\u00e1ch (Space \/ Layout Contrast)<\/h3>\n\n\n\n

                Kho\u1ea3ng tr\u1eafng (white space) l\u00e0 d\u1ea1ng contrast tinh t\u1ebf nh\u01b0ng c\u1ef1c k\u1ef3 m\u1ea1nh m\u1ebd.<\/p>\n\n\n\n

                  \n
                • Gi\u00fap m\u1eaft ng\u01b0\u1eddi d\u00f9ng c\u00f3 ch\u1ed7 \u201cngh\u1ec9\u201d, tr\u00e1nh c\u1ea3m gi\u00e1c ng\u1ed9p.<\/li>\n\n\n\n
                • L\u00e0m n\u1ed5i b\u1eadt n\u1ed9i dung ch\u00ednh nh\u1edd t\u00e1ch bi\u1ec7t r\u00f5 r\u00e0ng gi\u1eefa c\u00e1c kh\u1ed1i th\u00f4ng tin.<\/li>\n\n\n\n
                • D\u1ec5 \u0111\u1ecdc h\u01a1n, \u0111\u1eb7c bi\u1ec7t trong thi\u1ebft k\u1ebf t\u1ed1i gi\u1ea3n (minimalist).<\/li>\n<\/ul>\n\n\n\n

                  M\u1eb9o:<\/strong>
                  H\u00e3y xem kho\u1ea3ng tr\u1eafng nh\u01b0 m\u1ed9t \u201cy\u1ebfu t\u1ed1 thi\u1ebft k\u1ebf\u201d ch\u1ee9 kh\u00f4ng ph\u1ea3i \u201cph\u1ea7n tr\u1ed1ng b\u1ecb b\u1ecf ph\u00ed\u201d. Nhi\u1ec1u thi\u1ebft k\u1ebf chuy\u00ean nghi\u1ec7p c\u00f3 30\u201340% l\u00e0 kh\u00f4ng gian tr\u1ed1ng \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n k\u1ef9 l\u01b0\u1ee1ng.<\/p>\n\n\n\n

                  3.6 Contrast v\u1ec1 ch\u1ea5t li\u1ec7u, h\u1ecda ti\u1ebft ho\u1eb7c chuy\u1ec3n \u0111\u1ed9ng (Texture \/ Motion Contrast)<\/h3>\n\n\n\n

                  Contrast kh\u00f4ng ch\u1ec9 t\u1ed3n t\u1ea1i trong y\u1ebfu t\u1ed1 t\u0129nh m\u00e0 c\u00f2n \u1edf s\u1ef1 c\u1ea3m nh\u1eadn v\u00e0 chuy\u1ec3n \u0111\u1ed9ng.<\/p>\n\n\n

                  \n
                  \"Contrast<\/figure>\n<\/div>\n\n\n
                    \n
                  • Texture (h\u1ecda ti\u1ebft):<\/strong> b\u1ec1 m\u1eb7t m\u1ecbn so v\u1edbi b\u1ec1 m\u1eb7t th\u00f4 c\u00f3 th\u1ec3 t\u1ea1o chi\u1ec1u s\u00e2u.<\/li>\n\n\n\n
                  • Motion (chuy\u1ec3n \u0111\u1ed9ng):<\/strong> y\u1ebfu t\u1ed1 \u0111\u1ed9ng (animation, hover effect) d\u1ec5 thu h\u00fat \u00e1nh nh\u00ecn h\u01a1n y\u1ebfu t\u1ed1 t\u0129nh.<\/li>\n<\/ul>\n\n\n\n

                    L\u01b0u \u00fd:<\/strong><\/p>\n\n\n\n

                      \n
                    • D\u00f9ng animation c\u00f3 m\u1ee5c \u0111\u00edch r\u00f5 r\u00e0ng (chuy\u1ec3n c\u1ea3nh, ph\u1ea3n h\u1ed3i ng\u01b0\u1eddi d\u00f9ng).<\/li>\n\n\n\n
                    • Tr\u00e1nh l\u1ea1m d\u1ee5ng chuy\u1ec3n \u0111\u1ed9ng, v\u00ec n\u00f3 c\u00f3 th\u1ec3 g\u00e2y m\u1ec7t m\u1eaft ho\u1eb7c m\u1ea5t t\u1eadp trung.<\/li>\n<\/ul>\n\n\n\n

                      4. C\u00e1ch \u00e1p d\u1ee5ng Contrast hi\u1ec7u qu\u1ea3 trong thi\u1ebft k\u1ebf web<\/h2>\n\n\n\n

                      \u0110\u1ec3 contrast th\u1ef1c s\u1ef1 ph\u00e1t huy vai tr\u00f2 trong thi\u1ebft k\u1ebf web, kh\u00f4ng ch\u1ec9 d\u1eebng \u1edf vi\u1ec7c \u201cch\u1ecdn m\u00e0u n\u1ed5i b\u1eadt\u201d, m\u00e0 c\u1ea7n c\u00f3 t\u01b0 duy h\u1ec7 th\u1ed1ng v\u00e0 m\u1ee5c \u0111\u00edch r\u00f5 r\u00e0ng. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng nguy\u00ean t\u1eafc v\u00e0 b\u01b0\u1edbc th\u1ef1c h\u00e0nh m\u00e0 m\u00ecnh th\u01b0\u1eddng \u00e1p d\u1ee5ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o contrast v\u1eeba hi\u1ec7u qu\u1ea3 v\u1eeba h\u00e0i h\u00f2a:<\/p>\n\n\n\n