#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
RGB	rgb(201, 240, 75)
HSL	hsl(74, 85%, 62%)
HSV	hsv(74, 69%, 94%)
CMYK	cmyk(16.3%, 0%, 68.7%, 5.9%)
CIE-LAB	lab(89.51, -34.32, 71.74)
CIE-LCH	lch(89.51, 79.52, 115.57°)
OKLab	oklab(89.78% -0.1002 0.161)
OKLCH	oklch(89.78% 0.19 121.9)
XYZ	xyz(56.5183, 75.2456, 18.2016)
Luminance	0.7525 (WCAG relative)
Temperature	warm
Family	yellow-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
##C9F04B	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)

#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 →