#C0E451#C0E451

#C0E451 is a very light, vivid yellow-green. Relative luminance 0.673; OKLCH L 86.5% C 0.175 H 121.9°. Best body text is #000000 at 14.46:1 contrast (WCAG AA passes).

Color values

HEX	#C0E451
RGB	rgb(192, 228, 81)
HSL	hsl(75, 73%, 61%)
HSV	hsv(75, 64%, 89%)
CMYK	cmyk(15.8%, 0%, 64.5%, 10.6%)
CIE-LAB	lab(85.65, -31.93, 65.32)
CIE-LCH	lch(85.65, 72.70, 116.05°)
OKLab	oklab(86.53% -0.0926 0.1485)
OKLCH	oklch(86.53% 0.175 121.9)
XYZ	xyz(50.9674, 67.2873, 18.0857)
Luminance	0.6729 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C0E451 #7551E4

analogous

#E4BE51 #C0E451 #76E451

triadic

#C0E451 #51C0E4 #E451C0

tetradic

#C0E451 #51E4BE #7551E4 #E45176

square

#C0E451 #51E4BE #7551E4 #E45176

split-complementary

#C0E451 #5176E4 #BE51E4

monochromatic

#80A219 #AAD721 #C0E451 #D3EC86 #E6F4BB

Accessibility & contrast

On white

1.45

#C0E451 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.46

#C0E451 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C0E451

14.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C0E451	#FFFFFF	#000000	##000000
##C0E451	1.00	1.45	14.46	14.46
#FFFFFF	1.45	1.00	21.00	21.00
#000000	14.46	21.00	1.00	1.00
##000000	14.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F1D73D

Deuteranopia (green-blind)

#ECD65C

Tritanopia (blue-blind)

#CAD9C6

Achromatopsia (no color)

#D6D6D6

Design tokens & code

CSS

--color: #c0e451;
/* rgb */ color: rgb(192, 228, 81);
/* oklch */ color: oklch(86.5% 0.175 121.9);

Tailwind

colors: {
  custom: {
    50: '#d6ec89',
    500: '#c0e451',
    950: '#000000',
  },
}

SCSS

$custom: #c0e451;
$custom-light: #d6ec89;
$custom-dark: #000000;

JSON

{
  "hex": "#c0e451",
  "rgb": {
    "r": 192,
    "g": 228,
    "b": 81
  },
  "hsl": {
    "h": 74.694,
    "s": 73.134,
    "l": 60.588
  },
  "oklch": {
    "l": 0.86534,
    "c": 0.17502,
    "h": 121.9
  },
  "luminance": 0.67287
}

Semantic roles & 50–950 ramp

primary

#C0E451

secondary

#5035A4

accent

#10D541

background

#FEFEFC

surface

#FCFDF4

border

#D5D5CE

text

#15160C

muted

#84847F

Preview Lab

Preview with #C0E451

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

Preview Lab → · Contrast checker → · Palette generator →