#C9EE3D#C9EE3D

#C9EE3D is a very light, vivid yellow-green. Relative luminance 0.739; OKLCH L 89.2% C 0.195 H 121.1°. Best body text is #000000 at 15.78:1 contrast (WCAG AA passes).

Color values

HEX	#C9EE3D
RGB	rgb(201, 238, 61)
HSL	hsl(73, 84%, 59%)
HSV	hsv(73, 74%, 93%)
CMYK	cmyk(15.5%, 0%, 74.4%, 6.7%)
CIE-LAB	lab(88.88, -34.13, 75.82)
CIE-LCH	lch(88.88, 83.15, 114.23°)
OKLab	oklab(89.25% -0.1008 0.1674)
OKLCH	oklch(89.25% 0.195 121.1)
XYZ	xyz(55.5052, 73.9036, 15.7547)
Luminance	0.7390 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C9EE3D #623DEE

analogous

#EEBA3D #C9EE3D #70EE3D

triadic

#C9EE3D #3DC9EE #EE3DC9

tetradic

#C9EE3D #3DEEBA #623DEE #EE3D70

square

#C9EE3D #3DEEBA #623DEE #EE3D70

split-complementary

#C9EE3D #3D70EE #BA3DEE

monochromatic

#83A20E #B1DB13 #C9EE3D #D9F375 #E8F8AE

Accessibility & contrast

On white

1.33

#C9EE3D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.78

#C9EE3D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C9EE3D

15.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C9EE3D	#FFFFFF	#000000	##000000
##C9EE3D	1.00	1.33	15.78	15.78
#FFFFFF	1.33	1.00	21.00	21.00
#000000	15.78	21.00	1.00	1.00
##000000	15.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FDE011

Deuteranopia (green-blind)

#F8DF4D

Tritanopia (blue-blind)

#D4E2CD

Achromatopsia (no color)

#DFDFDF

Design tokens & code

CSS

--color: #c9ee3d;
/* rgb */ color: rgb(201, 238, 61);
/* oklch */ color: oklch(89.2% 0.195 121.1);

Tailwind

colors: {
  custom: {
    50: '#ddf37f',
    500: '#c9ee3d',
    950: '#000000',
  },
}

SCSS

$custom: #c9ee3d;
$custom-light: #ddf37f;
$custom-dark: #000000;

JSON

{
  "hex": "#c9ee3d",
  "rgb": {
    "r": 201,
    "g": 238,
    "b": 61
  },
  "hsl": {
    "h": 72.542,
    "s": 83.886,
    "l": 58.627
  },
  "oklch": {
    "l": 0.89248,
    "c": 0.19544,
    "h": 121.1
  },
  "luminance": 0.73904
}

Semantic roles & 50–950 ramp

primary

#C9EE3D

secondary

#442BA4

accent

#2EFA58

background

#FEFFFB

surface

#FCFEF2

border

#D5D6CC

text

#16170B

muted

#84857E

Preview Lab

Preview with #C9EE3D

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

Preview Lab → · Contrast checker → · Palette generator →