#C0EF54#C0EF54

#C0EF54 is a very light, vivid yellow-green. Relative luminance 0.736; OKLCH L 89.0% C 0.186 H 124.6°. Best body text is #000000 at 15.72:1 contrast (WCAG AA passes).

Color values

HEX	#C0EF54
RGB	rgb(192, 239, 84)
HSL	hsl(78, 83%, 63%)
HSV	hsv(78, 65%, 94%)
CMYK	cmyk(19.7%, 0%, 64.9%, 6.3%)
CIE-LAB	lab(88.72, -36.75, 67.38)
CIE-LCH	lch(88.72, 76.75, 118.61°)
OKLab	oklab(89.02% -0.1057 0.1533)
OKLCH	oklch(89.02% 0.186 124.6)
XYZ	xyz(54.2053, 73.5791, 19.7322)
Luminance	0.7358 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C0EF54 #8354EF

analogous

#EFD154 #C0EF54 #72EF54

triadic

#C0EF54 #54C0EF #EF54C0

tetradic

#C0EF54 #54EFD1 #8354EF #EF5472

square

#C0EF54 #54EFD1 #8354EF #EF5472

split-complementary

#C0EF54 #5472EF #D154EF

monochromatic

#85B711 #ABEA1C #C0EF54 #D5F48C #E9F9C4

Accessibility & contrast

On white

1.34

#C0EF54 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.72

#C0EF54 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C0EF54

15.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C0EF54	#FFFFFF	#000000	##000000
##C0EF54	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)

#FCE03F

Deuteranopia (green-blind)

#F5DE60

Tritanopia (blue-blind)

#C8E4CF

Achromatopsia (no color)

#DFDFDF

Design tokens & code

CSS

--color: #c0ef54;
/* rgb */ color: rgb(192, 239, 84);
/* oklch */ color: oklch(89.0% 0.186 124.6);

Tailwind

colors: {
  custom: {
    50: '#d6f48b',
    500: '#c0ef54',
    950: '#000000',
  },
}

SCSS

$custom: #c0ef54;
$custom-light: #d6f48b;
$custom-dark: #000000;

JSON

{
  "hex": "#c0ef54",
  "rgb": {
    "r": 192,
    "g": 239,
    "b": 84
  },
  "hsl": {
    "h": 78.194,
    "s": 82.888,
    "l": 63.333
  },
  "oklch": {
    "l": 0.89023,
    "c": 0.18617,
    "h": 124.6
  },
  "luminance": 0.7358
}

Semantic roles & 50–950 ramp

primary

#C0EF54

secondary

#5931B7

accent

#06DF48

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#15170C

muted

#84857F

Preview Lab

Preview with #C0EF54

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

Preview Lab → · Contrast checker → · Palette generator →