#C9EC4E#C9EC4E

#C9EC4E is a very light, vivid yellow-green. Relative luminance 0.730; OKLCH L 88.9% C 0.183 H 121.1°. Best body text is #000000 at 15.59:1 contrast (WCAG AA passes).

Color values

HEX	#C9EC4E
RGB	rgb(201, 236, 78)
HSL	hsl(73, 81%, 62%)
HSV	hsv(73, 67%, 93%)
CMYK	cmyk(14.8%, 0%, 66.9%, 7.5%)
CIE-LAB	lab(88.43, -32.31, 69.54)
CIE-LCH	lch(88.43, 76.68, 114.92°)
OKLab	oklab(88.92% -0.0944 0.1568)
OKLCH	oklch(88.92% 0.183 121.1)
XYZ	xyz(55.4588, 72.9585, 18.3670)
Luminance	0.7296 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C9EC4E #714EEC

analogous

#ECC04E #C9EC4E #7AEC4E

triadic

#C9EC4E #4EC9EC #EC4EC9

tetradic

#C9EC4E #4EECC0 #714EEC #EC4E7A

square

#C9EC4E #4EECC0 #714EEC #EC4E7A

split-complementary

#C9EC4E #4E7AEC #C04EEC

monochromatic

#8BAD13 #B7E419 #C9EC4E #DAF285 #EBF8BD

Accessibility & contrast

On white

1.35

#C9EC4E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.59

#C9EC4E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C9EC4E

15.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C9EC4E	#FFFFFF	#000000	##000000
##C9EC4E	1.00	1.35	15.59	15.59
#FFFFFF	1.35	1.00	21.00	21.00
#000000	15.59	21.00	1.00	1.00
##000000	15.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FADE36

Deuteranopia (green-blind)

#F6DE5A

Tritanopia (blue-blind)

#D4E0CC

Achromatopsia (no color)

#DEDEDE

Design tokens & code

CSS

--color: #c9ec4e;
/* rgb */ color: rgb(201, 236, 78);
/* oklch */ color: oklch(88.9% 0.183 121.1);

Tailwind

colors: {
  custom: {
    50: '#ddf288',
    500: '#c9ec4e',
    950: '#000000',
  },
}

SCSS

$custom: #c9ec4e;
$custom-light: #ddf288;
$custom-dark: #000000;

JSON

{
  "hex": "#c9ec4e",
  "rgb": {
    "r": 201,
    "g": 236,
    "b": 78
  },
  "hsl": {
    "h": 73.291,
    "s": 80.612,
    "l": 61.569
  },
  "oklch": {
    "l": 0.88918,
    "c": 0.18304,
    "h": 121.1
  },
  "luminance": 0.72958
}

Semantic roles & 50–950 ramp

primary

#C9EC4E

secondary

#4C30AE

accent

#09DD38

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#15160C

muted

#84857F

Preview Lab

Preview with #C9EC4E

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

Preview Lab → · Contrast checker → · Palette generator →