#C9E859#C9E859

#C9E859 is a very light, vivid yellow-green. Relative luminance 0.709; OKLCH L 88.1% C 0.170 H 120.4°. Best body text is #000000 at 15.17:1 contrast (WCAG AA passes).

Color values

HEX	#C9E859
RGB	rgb(201, 232, 89)
HSL	hsl(73, 76%, 63%)
HSV	hsv(73, 62%, 91%)
CMYK	cmyk(13.4%, 0%, 61.6%, 9%)
CIE-LAB	lab(87.41, -29.73, 64.15)
CIE-LCH	lch(87.41, 70.71, 114.86°)
OKLab	oklab(88.13% -0.0862 0.147)
OKLCH	oklch(88.13% 0.17 120.4)
XYZ	xyz(54.7479, 70.8522, 20.2409)
Luminance	0.7085 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C9E859 #7859E8

analogous

#E8BF59 #C9E859 #81E859

triadic

#C9E859 #59C9E8 #E859C9

tetradic

#C9E859 #59E8BF #7859E8 #E85981

square

#C9E859 #59E8BF #7859E8 #E85981

split-complementary

#C9E859 #5981E8 #BF59E8

monochromatic

#8EAE18 #B8E123 #C9E859 #DAEF8F #ECF7C5

Accessibility & contrast

On white

1.38

#C9E859 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.17

#C9E859 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C9E859

15.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C9E859	#FFFFFF	#000000	##000000
##C9E859	1.00	1.38	15.17	15.17
#FFFFFF	1.38	1.00	21.00	21.00
#000000	15.17	21.00	1.00	1.00
##000000	15.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F6DB48

Deuteranopia (green-blind)

#F2DB63

Tritanopia (blue-blind)

#D3DDCA

Achromatopsia (no color)

#DBDBDB

Design tokens & code

CSS

--color: #c9e859;
/* rgb */ color: rgb(201, 232, 89);
/* oklch */ color: oklch(88.1% 0.170 120.4);

Tailwind

colors: {
  custom: {
    50: '#dcef8e',
    500: '#c9e859',
    950: '#000000',
  },
}

SCSS

$custom: #c9e859;
$custom-light: #dcef8e;
$custom-dark: #000000;

JSON

{
  "hex": "#c9e859",
  "rgb": {
    "r": 201,
    "g": 232,
    "b": 89
  },
  "hsl": {
    "h": 73.007,
    "s": 75.661,
    "l": 62.941
  },
  "oklch": {
    "l": 0.88128,
    "c": 0.17039,
    "h": 120.4
  },
  "luminance": 0.70852
}

Semantic roles & 50–950 ramp

primary

#C9E859

secondary

#5036AF

accent

#0ED839

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#15160D

muted

#84857F

Preview Lab

Preview with #C9E859

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

Preview Lab → · Contrast checker → · Palette generator →