#C0E55B#C0E55B

#C0E55B is a very light, vivid yellow-green. Relative luminance 0.680; OKLCH L 86.8% C 0.169 H 122.6°. Best body text is #000000 at 14.60:1 contrast (WCAG AA passes).

Color values

HEX	#C0E55B
RGB	rgb(192, 229, 91)
HSL	hsl(76, 73%, 63%)
HSV	hsv(76, 60%, 90%)
CMYK	cmyk(16.2%, 0%, 60.3%, 10.2%)
CIE-LAB	lab(86.01, -31.67, 61.62)
CIE-LCH	lch(86.01, 69.28, 117.20°)
OKLab	oklab(86.85% -0.091 0.142)
OKLCH	oklch(86.85% 0.169 122.6)
XYZ	xyz(51.6463, 68.0003, 20.3000)
Luminance	0.6800 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C0E55B #805BE5

analogous

#E5C55B #C0E55B #7BE55B

triadic

#C0E55B #5BC0E5 #E55BC0

tetradic

#C0E55B #5BE5C5 #805BE5 #E55B7B

square

#C0E55B #5BE5C5 #805BE5 #E55B7B

split-complementary

#C0E55B #5B7BE5 #C55BE5

monochromatic

#84AB1B #ACDD26 #C0E55B #D4ED90 #E9F6C5

Accessibility & contrast

On white

1.44

#C0E55B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.60

#C0E55B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C0E55B

14.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C0E55B	#FFFFFF	#000000	##000000
##C0E55B	1.00	1.44	14.60	14.60
#FFFFFF	1.44	1.00	21.00	21.00
#000000	14.60	21.00	1.00	1.00
##000000	14.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F1D84B

Deuteranopia (green-blind)

#EDD764

Tritanopia (blue-blind)

#C9DAC8

Achromatopsia (no color)

#D7D7D7

Design tokens & code

CSS

--color: #c0e55b;
/* rgb */ color: rgb(192, 229, 91);
/* oklch */ color: oklch(86.8% 0.169 122.6);

Tailwind

colors: {
  custom: {
    50: '#d6ed8f',
    500: '#c0e55b',
    950: '#000000',
  },
}

SCSS

$custom: #c0e55b;
$custom-light: #d6ed8f;
$custom-dark: #000000;

JSON

{
  "hex": "#c0e55b",
  "rgb": {
    "r": 192,
    "g": 229,
    "b": 91
  },
  "hsl": {
    "h": 76.087,
    "s": 72.632,
    "l": 62.745
  },
  "oklch": {
    "l": 0.86849,
    "c": 0.16862,
    "h": 122.6
  },
  "luminance": 0.68
}

Semantic roles & 50–950 ramp

primary

#C0E55B

secondary

#5738AC

accent

#11D545

background

#FEFEFC

surface

#FCFDF4

border

#D5D5CE

text

#15160D

muted

#84847F

Preview Lab

Preview with #C0E55B

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

Preview Lab → · Contrast checker → · Palette generator →