#C0EC5B#C0EC5B

#C0EC5B is a very light, vivid yellow-green. Relative luminance 0.720; OKLCH L 88.4% C 0.177 H 124.3°. Best body text is #000000 at 15.39:1 contrast (WCAG AA passes).

Color values

HEX	#C0EC5B
RGB	rgb(192, 236, 91)
HSL	hsl(78, 79%, 64%)
HSV	hsv(78, 61%, 93%)
CMYK	cmyk(18.6%, 0%, 61.4%, 7.5%)
CIE-LAB	lab(87.95, -34.89, 63.74)
CIE-LCH	lch(87.95, 72.67, 118.70°)
OKLab	oklab(88.41% -0.0999 0.1465)
OKLCH	oklch(88.41% 0.177 124.3)
XYZ	xyz(53.6223, 71.9523, 20.9587)
Luminance	0.7195 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C0EC5B #875BEC

analogous

#ECD05B #C0EC5B #78EC5B

triadic

#C0EC5B #5BC0EC #EC5BC0

tetradic

#C0EC5B #5BECD0 #875BEC #EC5B78

square

#C0EC5B #5BECD0 #875BEC #EC5B78

split-complementary

#C0EC5B #5B78EC #D05BEC

monochromatic

#86B715 #ABE624 #C0EC5B #D5F292 #EAF9C9

Accessibility & contrast

On white

1.36

#C0EC5B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.39

#C0EC5B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C0EC5B

15.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C0EC5B	#FFFFFF	#000000	##000000
##C0EC5B	1.00	1.36	15.39	15.39
#FFFFFF	1.36	1.00	21.00	21.00
#000000	15.39	21.00	1.00	1.00
##000000	15.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F8DE4A

Deuteranopia (green-blind)

#F2DC65

Tritanopia (blue-blind)

#C8E1CE

Achromatopsia (no color)

#DDDDDD

Design tokens & code

CSS

--color: #c0ec5b;
/* rgb */ color: rgb(192, 236, 91);
/* oklch */ color: oklch(88.4% 0.177 124.3);

Tailwind

colors: {
  custom: {
    50: '#d6f28f',
    500: '#c0ec5b',
    950: '#000000',
  },
}

SCSS

$custom: #c0ec5b;
$custom-light: #d6f28f;
$custom-dark: #000000;

JSON

{
  "hex": "#c0ec5b",
  "rgb": {
    "r": 192,
    "g": 236,
    "b": 91
  },
  "hsl": {
    "h": 78.207,
    "s": 79.235,
    "l": 64.118
  },
  "oklch": {
    "l": 0.88413,
    "c": 0.1773,
    "h": 124.3
  },
  "luminance": 0.71953
}

Semantic roles & 50–950 ramp

primary

#C0EC5B

secondary

#5C34B7

accent

#0ADC4A

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#15170D

muted

#84857F

Preview Lab

Preview with #C0EC5B

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

Preview Lab → · Contrast checker → · Palette generator →