#C9F05C#C9F05C

#C9F05C is a very light, vivid yellow-green. Relative luminance 0.755; OKLCH L 89.9% C 0.178 H 122.6°. Best body text is #000000 at 16.10:1 contrast (WCAG AA passes).

Color values

HEX	#C9F05C
RGB	rgb(201, 240, 92)
HSL	hsl(76, 83%, 65%)
HSV	hsv(76, 62%, 94%)
CMYK	cmyk(16.3%, 0%, 61.7%, 5.9%)
CIE-LAB	lab(89.63, -33.22, 65.33)
CIE-LCH	lch(89.63, 73.29, 116.95°)
OKLab	oklab(89.92% -0.0957 0.1498)
OKLCH	oklch(89.92% 0.178 122.6)
XYZ	xyz(57.1798, 75.5102, 21.6857)
Luminance	0.7551 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C9F05C #835CF0

analogous

#F0CD5C #C9F05C #7FF05C

triadic

#C9F05C #5CC9F0 #F05CC9

tetradic

#C9F05C #5CF0CD #835CF0 #F05C7F

square

#C9F05C #5CF0CD #835CF0 #F05C7F

split-complementary

#C9F05C #5C7FF0 #CD5CF0

monochromatic

#92C012 #B6EB24 #C9F05C #DCF594 #EEFACC

Accessibility & contrast

On white

1.30

#C9F05C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.10

#C9F05C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C9F05C

16.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C9F05C	#FFFFFF	#000000	##000000
##C9F05C	1.00	1.30	16.10	16.10
#FFFFFF	1.30	1.00	21.00	21.00
#000000	16.10	21.00	1.00	1.00
##000000	16.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FDE24A

Deuteranopia (green-blind)

#F8E166

Tritanopia (blue-blind)

#D2E5D1

Achromatopsia (no color)

#E1E1E1

Design tokens & code

CSS

--color: #c9f05c;
/* rgb */ color: rgb(201, 240, 92);
/* oklch */ color: oklch(89.9% 0.178 122.6);

Tailwind

colors: {
  custom: {
    50: '#dcf590',
    500: '#c9f05c',
    950: '#000000',
  },
}

SCSS

$custom: #c9f05c;
$custom-light: #dcf590;
$custom-dark: #000000;

JSON

{
  "hex": "#c9f05c",
  "rgb": {
    "r": 201,
    "g": 240,
    "b": 92
  },
  "hsl": {
    "h": 75.811,
    "s": 83.146,
    "l": 65.098
  },
  "oklch": {
    "l": 0.89922,
    "c": 0.17775,
    "h": 122.6
  },
  "luminance": 0.7551
}

Semantic roles & 50–950 ramp

primary

#C9F05C

secondary

#5732BE

accent

#06E03F

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#15170D

muted

#84857F

Preview Lab

Preview with #C9F05C

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

Preview Lab → · Contrast checker → · Palette generator →