#C9F04D#C9F04D

#C9F04D is a very light, vivid yellow-green. Relative luminance 0.753; OKLCH L 89.8% C 0.188 H 122.0°. Best body text is #000000 at 16.05:1 contrast (WCAG AA passes).

Color values

HEX	#C9F04D
RGB	rgb(201, 240, 77)
HSL	hsl(74, 84%, 62%)
HSV	hsv(74, 68%, 94%)
CMYK	cmyk(16.3%, 0%, 67.9%, 5.9%)
CIE-LAB	lab(89.52, -34.20, 71.02)
CIE-LCH	lch(89.52, 78.83, 115.71°)
OKLab	oklab(89.8% -0.0997 0.1598)
OKLCH	oklch(89.8% 0.188 122)
XYZ	xyz(56.5878, 75.2734, 18.5678)
Luminance	0.7527 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C9F04D #744DF0

analogous

#F0C64D #C9F04D #78F04D

triadic

#C9F04D #4DC9F0 #F04DC9

tetradic

#C9F04D #4DF0C6 #744DF0 #F04D78

square

#C9F04D #4DF0C6 #744DF0 #F04D78

split-complementary

#C9F04D #4D78F0 #C64DF0

monochromatic

#8CB30F #B8EB15 #C9F04D #DAF585 #EBFABE

Accessibility & contrast

On white

1.31

#C9F04D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.05

#C9F04D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C9F04D

16.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C9F04D	#FFFFFF	#000000	##000000
##C9F04D	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)

#FEE234

Deuteranopia (green-blind)

#F9E15A

Tritanopia (blue-blind)

#D3E4D0

Achromatopsia (no color)

#E1E1E1

Design tokens & code

CSS

--color: #c9f04d;
/* rgb */ color: rgb(201, 240, 77);
/* oklch */ color: oklch(89.8% 0.188 122.0);

Tailwind

colors: {
  custom: {
    50: '#ddf588',
    500: '#c9f04d',
    950: '#000000',
  },
}

SCSS

$custom: #c9f04d;
$custom-light: #ddf588;
$custom-dark: #000000;

JSON

{
  "hex": "#c9f04d",
  "rgb": {
    "r": 201,
    "g": 240,
    "b": 77
  },
  "hsl": {
    "h": 74.356,
    "s": 84.456,
    "l": 62.157
  },
  "oklch": {
    "l": 0.89797,
    "c": 0.18836,
    "h": 122
  },
  "luminance": 0.75274
}

Semantic roles & 50–950 ramp

primary

#C9F04D

secondary

#4E2EB3

accent

#05E139

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#15170C

muted

#84857F

Preview Lab

Preview with #C9F04D

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

Preview Lab → · Contrast checker → · Palette generator →