#CCFF57#CCFF57

#CCFF57 is a very light, vivid yellow-green. Relative luminance 0.850; OKLCH L 93.4% C 0.198 H 124.7°. Best body text is #000000 at 18.01:1 contrast (WCAG AA passes).

Color values

HEX#CCFF57
RGBrgb(204, 255, 87)
HSLhsl(78, 100%, 67%)
HSVhsv(78, 66%, 100%)
CMYKcmyk(20%, 0%, 65.9%, 0%)
CIE-LABlab(93.90, -39.20, 71.87)
CIE-LCHlch(93.90, 81.87, 118.61°)
OKLaboklab(93.41% -0.1128 0.1629)
OKLCHoklch(93.41% 0.198 124.7)
XYZxyz(62.3826, 85.0449, 22.1437)
Luminance0.8505 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#CCFF57 #8A57FF
analogous
#FFDE57 #CCFF57 #78FF57
triadic
#CCFF57 #57CCFF #FF57CC
tetradic
#CCFF57 #57FFDE #8A57FF #FF5778
square
#CCFF57 #57FFDE #8A57FF #FF5778
split-complementary
#CCFF57 #5778FF #DE57FF
monochromatic
#99DC00 #B9FF1A #CCFF57 #DFFF94 #F1FFD1

Accessibility & contrast

On white

1.17
#CCFF57 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

18.01
#CCFF57 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #CCFF57
18.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##CCFF57#FFFFFF#000000##000000
##CCFF571.001.1718.0118.01
#FFFFFF1.171.0021.0021.00
#00000018.0121.001.001.00
##00000018.0121.001.001.00

Color blindness preview

Protanopia (red-blind)
#FFEF3F
Deuteranopia (green-blind)
#FFED64
Tritanopia (blue-blind)
#D5F3DD
Achromatopsia (no color)
#EDEDED

Design tokens & code

CSS
--color: #ccff57;
/* rgb */ color: rgb(204, 255, 87);
/* oklch */ color: oklch(93.4% 0.198 124.7);
Tailwind
colors: {
  custom: {
    50: '#dfff8e',
    500: '#ccff57',
    950: '#000000',
  },
}
SCSS
$custom: #ccff57;
$custom-light: #dfff8e;
$custom-dark: #000000;
JSON
{
  "hex": "#ccff57",
  "rgb": {
    "r": 204,
    "g": 255,
    "b": 87
  },
  "hsl": {
    "h": 78.214,
    "s": 100,
    "l": 67.059
  },
  "oklch": {
    "l": 0.93406,
    "c": 0.19816,
    "h": 124.7
  },
  "luminance": 0.85045
}

Semantic roles & 50–950 ramp

primary
#CCFF57
secondary
#5B26D5
accent
#00E646
background
#FEFFFC
surface
#FCFFF4
border
#D5D7CE
text
#16180D
muted
#84867F

Preview Lab

Preview with #CCFF57

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →

#CCFF57 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva