#C0EF57#C0EF57

#C0EF57 is a very light, vivid yellow-green. Relative luminance 0.736; OKLCH L 89.0% C 0.184 H 124.7°. Best body text is #000000 at 15.73:1 contrast (WCAG AA passes).

Color values

HEX	#C0EF57
RGB	rgb(192, 239, 87)
HSL	hsl(79, 83%, 64%)
HSV	hsv(79, 64%, 94%)
CMYK	cmyk(19.7%, 0%, 63.6%, 6.3%)
CIE-LAB	lab(88.75, -36.55, 66.22)
CIE-LCH	lch(88.75, 75.64, 118.89°)
OKLab	oklab(89.05% -0.1048 0.1512)
OKLCH	oklch(89.05% 0.184 124.7)
XYZ	xyz(54.3253, 73.6271, 20.3644)
Luminance	0.7363 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C0EF57 #8657EF

analogous

#EFD257 #C0EF57 #74EF57

triadic

#C0EF57 #57C0EF #EF57C0

tetradic

#C0EF57 #57EFD2 #8657EF #EF5774

square

#C0EF57 #57EFD2 #8657EF #EF5774

split-complementary

#C0EF57 #5774EF #D257EF

monochromatic

#86BA12 #ABEA1F #C0EF57 #D5F48F #EAFAC7

Accessibility & contrast

On white

1.34

#C0EF57 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.73

#C0EF57 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C0EF57

15.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C0EF57	#FFFFFF	#000000	##000000
##C0EF57	1.00	1.34	15.73	15.73
#FFFFFF	1.34	1.00	21.00	21.00
#000000	15.73	21.00	1.00	1.00
##000000	15.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FCE043

Deuteranopia (green-blind)

#F5DE62

Tritanopia (blue-blind)

#C8E4D0

Achromatopsia (no color)

#DFDFDF

Design tokens & code

CSS

--color: #c0ef57;
/* rgb */ color: rgb(192, 239, 87);
/* oklch */ color: oklch(89.0% 0.184 124.7);

Tailwind

colors: {
  custom: {
    50: '#d6f48d',
    500: '#c0ef57',
    950: '#000000',
  },
}

SCSS

$custom: #c0ef57;
$custom-light: #d6f48d;
$custom-dark: #000000;

JSON

{
  "hex": "#c0ef57",
  "rgb": {
    "r": 192,
    "g": 239,
    "b": 87
  },
  "hsl": {
    "h": 78.553,
    "s": 82.609,
    "l": 63.922
  },
  "oklch": {
    "l": 0.89049,
    "c": 0.184,
    "h": 124.7
  },
  "luminance": 0.73628
}

Semantic roles & 50–950 ramp

primary

#C0EF57

secondary

#5B31B9

accent

#06DF49

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#15170D

muted

#84857F

Preview Lab

Preview with #C0EF57

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

Preview Lab → · Contrast checker → · Palette generator →