#C9EA59#C9EA59

#C9EA59 is a very light, vivid yellow-green. Relative luminance 0.720; OKLCH L 88.6% C 0.173 H 120.9°. Best body text is #000000 at 15.40:1 contrast (WCAG AA passes).

Color values

HEX	#C9EA59
RGB	rgb(201, 234, 89)
HSL	hsl(74, 78%, 63%)
HSV	hsv(74, 62%, 92%)
CMYK	cmyk(14.1%, 0%, 62%, 8.2%)
CIE-LAB	lab(87.96, -30.66, 64.75)
CIE-LCH	lch(87.96, 71.64, 115.34°)
OKLab	oklab(88.57% -0.0888 0.1482)
OKLCH	oklch(88.57% 0.173 120.9)
XYZ	xyz(55.3141, 71.9845, 20.4296)
Luminance	0.7198 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C9EA59 #7A59EA

analogous

#EAC259 #C9EA59 #80EA59

triadic

#C9EA59 #59C9EA #EA59C9

tetradic

#C9EA59 #59EAC2 #7A59EA #EA5980

square

#C9EA59 #59EAC2 #7A59EA #EA5980

split-complementary

#C9EA59 #5980EA #C259EA

monochromatic

#8FB217 #B7E323 #C9EA59 #DBF18F #ECF8C6

Accessibility & contrast

On white

1.36

#C9EA59 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.40

#C9EA59 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C9EA59

15.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C9EA59	#FFFFFF	#000000	##000000
##C9EA59	1.00	1.36	15.40	15.40
#FFFFFF	1.36	1.00	21.00	21.00
#000000	15.40	21.00	1.00	1.00
##000000	15.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F8DD47

Deuteranopia (green-blind)

#F3DD63

Tritanopia (blue-blind)

#D3DFCC

Achromatopsia (no color)

#DDDDDD

Design tokens & code

CSS

--color: #c9ea59;
/* rgb */ color: rgb(201, 234, 89);
/* oklch */ color: oklch(88.6% 0.173 120.9);

Tailwind

colors: {
  custom: {
    50: '#dcf08e',
    500: '#c9ea59',
    950: '#000000',
  },
}

SCSS

$custom: #c9ea59;
$custom-light: #dcf08e;
$custom-dark: #000000;

JSON

{
  "hex": "#c9ea59",
  "rgb": {
    "r": 201,
    "g": 234,
    "b": 89
  },
  "hsl": {
    "h": 73.655,
    "s": 77.54,
    "l": 63.333
  },
  "oklch": {
    "l": 0.88569,
    "c": 0.17279,
    "h": 120.9
  },
  "luminance": 0.71984
}

Semantic roles & 50–950 ramp

primary

#C9EA59

secondary

#5135B2

accent

#0CDA3B

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#15160D

muted

#84857F

Preview Lab

Preview with #C9EA59

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

Preview Lab → · Contrast checker → · Palette generator →