#C0E243#C0E243

#C0E243 is a very light, vivid yellow-green. Relative luminance 0.660; OKLCH L 86.0% C 0.182 H 120.9°. Best body text is #000000 at 14.20:1 contrast (WCAG AA passes).

Color values

HEX	#C0E243
RGB	rgb(192, 226, 67)
HSL	hsl(73, 73%, 57%)
HSV	hsv(73, 70%, 89%)
CMYK	cmyk(15%, 0%, 70.4%, 11.4%)
CIE-LAB	lab(85.00, -31.85, 69.89)
CIE-LCH	lch(85.00, 76.81, 114.50°)
OKLab	oklab(85.98% -0.0936 0.1561)
OKLCH	oklch(85.98% 0.182 120.9)
XYZ	xyz(49.9485, 66.0045, 15.4179)
Luminance	0.6600 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C0E243 #6543E2

analogous

#E2B443 #C0E243 #71E243

triadic

#C0E243 #43C0E2 #E243C0

tetradic

#C0E243 #43E2B4 #6543E2 #E24371

square

#C0E243 #43E2B4 #6543E2 #E24371

split-complementary

#C0E243 #4371E2 #B443E2

monochromatic

#799417 #A5C91F #C0E243 #D2EA78 #E4F2AD

Accessibility & contrast

On white

1.48

#C0E243 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.20

#C0E243 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C0E243

14.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C0E243	#FFFFFF	#000000	##000000
##C0E243	1.00	1.48	14.20	14.20
#FFFFFF	1.48	1.00	21.00	21.00
#000000	14.20	21.00	1.00	1.00
##000000	14.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F0D527

Deuteranopia (green-blind)

#ECD450

Tritanopia (blue-blind)

#CAD6C3

Achromatopsia (no color)

#D4D4D4

Design tokens & code

CSS

--color: #c0e243;
/* rgb */ color: rgb(192, 226, 67);
/* oklch */ color: oklch(86.0% 0.182 120.9);

Tailwind

colors: {
  custom: {
    50: '#d7eb81',
    500: '#c0e243',
    950: '#000000',
  },
}

SCSS

$custom: #c0e243;
$custom-light: #d7eb81;
$custom-dark: #000000;

JSON

{
  "hex": "#c0e243",
  "rgb": {
    "r": 192,
    "g": 226,
    "b": 67
  },
  "hsl": {
    "h": 72.83,
    "s": 73.272,
    "l": 57.451
  },
  "oklch": {
    "l": 0.8598,
    "c": 0.18203,
    "h": 120.9
  },
  "luminance": 0.66004
}

Semantic roles & 50–950 ramp

primary

#C0E243

secondary

#473198

accent

#38F05F

background

#FEFEFB

surface

#FCFDF2

border

#D5D5CC

text

#15160B

muted

#84847E

Preview Lab

Preview with #C0E243

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

Preview Lab → · Contrast checker → · Palette generator →