#C9F04B#C9F04B

#C9F04B is a very light, vivid yellow-green. Relative luminance 0.752; OKLCH L 89.8% C 0.190 H 121.9°. Best body text is #000000 at 16.05:1 contrast (WCAG AA passes).

Color values

HEX#C9F04B
RGBrgb(201, 240, 75)
HSLhsl(74, 85%, 62%)
HSVhsv(74, 69%, 94%)
CMYKcmyk(16.3%, 0%, 68.7%, 5.9%)
CIE-LABlab(89.51, -34.32, 71.74)
CIE-LCHlch(89.51, 79.52, 115.57°)
OKLaboklab(89.78% -0.1002 0.161)
OKLCHoklch(89.78% 0.19 121.9)
XYZxyz(56.5183, 75.2456, 18.2016)
Luminance0.7525 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#C9F04B #724BF0
analogous
#F0C54B #C9F04B #77F04B
triadic
#C9F04B #4BC9F0 #F04BC9
tetradic
#C9F04B #4BF0C5 #724BF0 #F04B77
square
#C9F04B #4BF0C5 #724BF0 #F04B77
split-complementary
#C9F04B #4B77F0 #C54BF0
monochromatic
#8BB20F #B8EA14 #C9F04B #DAF583 #EBF9BC

Accessibility & contrast

On white

1.31
#C9F04B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

16.05
#C9F04B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C9F04B
16.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##C9F04B#FFFFFF#000000##000000
##C9F04B1.001.3116.0516.05
#FFFFFF1.311.0021.0021.00
#00000016.0521.001.001.00
##00000016.0521.001.001.00

Color blindness preview

Protanopia (red-blind)
#FEE230
Deuteranopia (green-blind)
#F9E158
Tritanopia (blue-blind)
#D3E4CF
Achromatopsia (no color)
#E1E1E1

Design tokens & code

CSS
--color: #c9f04b;
/* rgb */ color: rgb(201, 240, 75);
/* oklch */ color: oklch(89.8% 0.190 121.9);
Tailwind
colors: {
  custom: {
    50: '#ddf587',
    500: '#c9f04b',
    950: '#000000',
  },
}
SCSS
$custom: #c9f04b;
$custom-light: #ddf587;
$custom-dark: #000000;
JSON
{
  "hex": "#c9f04b",
  "rgb": {
    "r": 201,
    "g": 240,
    "b": 75
  },
  "hsl": {
    "h": 74.182,
    "s": 84.615,
    "l": 61.765
  },
  "oklch": {
    "l": 0.89783,
    "c": 0.18964,
    "h": 121.9
  },
  "luminance": 0.75246
}

Semantic roles & 50–950 ramp

primary
#C9F04B
secondary
#4D2DB2
accent
#04E139
background
#FEFFFC
surface
#FCFEF4
border
#D5D6CE
text
#15170C
muted
#84857F

Preview Lab

Preview with #C9F04B

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

Preview Lab → · Contrast checker → · Palette generator →

#C9F04B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva