#C9F04C#C9F04C

#C9F04C is a very light, vivid yellow-green. Relative luminance 0.753; OKLCH L 89.8% C 0.189 H 121.9°. Best body text is #000000 at 16.05:1 contrast (WCAG AA passes).

Color values

HEX	#C9F04C
RGB	rgb(201, 240, 76)
HSL	hsl(74, 85%, 62%)
HSV	hsv(74, 68%, 94%)
CMYK	cmyk(16.3%, 0%, 68.3%, 5.9%)
CIE-LAB	lab(89.51, -34.26, 71.38)
CIE-LCH	lch(89.51, 79.18, 115.64°)
OKLab	oklab(89.79% -0.1 0.1604)
OKLCH	oklch(89.79% 0.189 121.9)
XYZ	xyz(56.5527, 75.2594, 18.3833)
Luminance	0.7526 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C9F04C #734CF0

analogous

#F0C54C #C9F04C #77F04C

triadic

#C9F04C #4CC9F0 #F04CC9

tetradic

#C9F04C #4CF0C5 #734CF0 #F04C77

square

#C9F04C #4CF0C5 #734CF0 #F04C77

split-complementary

#C9F04C #4C77F0 #C54CF0

monochromatic

#8CB30F #B8EB14 #C9F04C #DAF584 #EBF9BD

Accessibility & contrast

On white

1.31

#C9F04C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.05

#C9F04C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C9F04C

16.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C9F04C	#FFFFFF	#000000	##000000
##C9F04C	1.00	1.31	16.05	16.05
#FFFFFF	1.31	1.00	21.00	21.00
#000000	16.05	21.00	1.00	1.00
##000000	16.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FEE232

Deuteranopia (green-blind)

#F9E159

Tritanopia (blue-blind)

#D3E4CF

Achromatopsia (no color)

#E1E1E1

Design tokens & code

CSS

--color: #c9f04c;
/* rgb */ color: rgb(201, 240, 76);
/* oklch */ color: oklch(89.8% 0.189 121.9);

Tailwind

colors: {
  custom: {
    50: '#ddf587',
    500: '#c9f04c',
    950: '#000000',
  },
}

SCSS

$custom: #c9f04c;
$custom-light: #ddf587;
$custom-dark: #000000;

JSON

{
  "hex": "#c9f04c",
  "rgb": {
    "r": 201,
    "g": 240,
    "b": 76
  },
  "hsl": {
    "h": 74.268,
    "s": 84.536,
    "l": 61.961
  },
  "oklch": {
    "l": 0.8979,
    "c": 0.189,
    "h": 121.9
  },
  "luminance": 0.75259
}

Semantic roles & 50–950 ramp

primary

#C9F04C

secondary

#4D2EB2

accent

#04E139

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#15170C

muted

#84857F

Preview Lab

Preview with #C9F04C

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

Preview Lab → · Contrast checker → · Palette generator →