#C0EF55#C0EF55

#C0EF55 is a very light, vivid yellow-green. Relative luminance 0.736; OKLCH L 89.0% C 0.185 H 124.6°. Best body text is #000000 at 15.72:1 contrast (WCAG AA passes).

Color values

HEX	#C0EF55
RGB	rgb(192, 239, 85)
HSL	hsl(78, 83%, 64%)
HSV	hsv(78, 64%, 94%)
CMYK	cmyk(19.7%, 0%, 64.4%, 6.3%)
CIE-LAB	lab(88.73, -36.68, 66.99)
CIE-LCH	lch(88.73, 76.38, 118.70°)
OKLab	oklab(89.03% -0.1054 0.1526)
OKLCH	oklch(89.03% 0.185 124.6)
XYZ	xyz(54.2448, 73.5948, 19.9400)
Luminance	0.7359 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C0EF55 #8455EF

analogous

#EFD155 #C0EF55 #73EF55

triadic

#C0EF55 #55C0EF #EF55C0

tetradic

#C0EF55 #55EFD1 #8455EF #EF5573

square

#C0EF55 #55EFD1 #8455EF #EF5573

split-complementary

#C0EF55 #5573EF #D155EF

monochromatic

#85B811 #ABEA1D #C0EF55 #D5F48D #E9FAC5

Accessibility & contrast

On white

1.34

#C0EF55 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.72

#C0EF55 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C0EF55

15.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C0EF55	#FFFFFF	#000000	##000000
##C0EF55	1.00	1.34	15.72	15.72
#FFFFFF	1.34	1.00	21.00	21.00
#000000	15.72	21.00	1.00	1.00
##000000	15.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FCE040

Deuteranopia (green-blind)

#F5DE61

Tritanopia (blue-blind)

#C8E4CF

Achromatopsia (no color)

#DFDFDF

Design tokens & code

CSS

--color: #c0ef55;
/* rgb */ color: rgb(192, 239, 85);
/* oklch */ color: oklch(89.0% 0.185 124.6);

Tailwind

colors: {
  custom: {
    50: '#d6f48c',
    500: '#c0ef55',
    950: '#000000',
  },
}

SCSS

$custom: #c0ef55;
$custom-light: #d6f48c;
$custom-dark: #000000;

JSON

{
  "hex": "#c0ef55",
  "rgb": {
    "r": 192,
    "g": 239,
    "b": 85
  },
  "hsl": {
    "h": 78.312,
    "s": 82.796,
    "l": 63.529
  },
  "oklch": {
    "l": 0.89031,
    "c": 0.18545,
    "h": 124.6
  },
  "luminance": 0.73595
}

Semantic roles & 50–950 ramp

primary

#C0EF55

secondary

#5A31B7

accent

#06DF48

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#15170D

muted

#84857F

Preview Lab

Preview with #C0EF55

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

Preview Lab → · Contrast checker → · Palette generator →