#C0EF66#C0EF66

#C0EF66 is a very light, vivid yellow-green. Relative luminance 0.739; OKLCH L 89.2% C 0.172 H 125.6°. Best body text is #000000 at 15.78:1 contrast (WCAG AA passes).

Color values

HEX	#C0EF66
RGB	rgb(192, 239, 102)
HSL	hsl(81, 81%, 67%)
HSV	hsv(81, 57%, 94%)
CMYK	cmyk(19.7%, 0%, 57.3%, 6.3%)
CIE-LAB	lab(88.87, -35.38, 60.12)
CIE-LCH	lch(88.87, 69.75, 120.48°)
OKLab	oklab(89.19% -0.1003 0.14)
OKLCH	oklch(89.19% 0.172 125.6)
XYZ	xyz(55.0031, 73.8982, 23.9338)
Luminance	0.7390 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C0EF66 #9566EF

analogous

#EFDA66 #C0EF66 #7CEF66

triadic

#C0EF66 #66C0EF #EF66C0

tetradic

#C0EF66 #66EFDA #9566EF #EF667C

square

#C0EF66 #66EFDA #9566EF #EF667C

split-complementary

#C0EF66 #667CEF #DA66EF

monochromatic

#89C615 #A9E92F #C0EF66 #D7F59D #EEFBD5

Accessibility & contrast

On white

1.33

#C0EF66 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.78

#C0EF66 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C0EF66

15.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C0EF66	#FFFFFF	#000000	##000000
##C0EF66	1.00	1.33	15.78	15.78
#FFFFFF	1.33	1.00	21.00	21.00
#000000	15.78	21.00	1.00	1.00
##000000	15.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FBE157

Deuteranopia (green-blind)

#F4DF6F

Tritanopia (blue-blind)

#C7E5D1

Achromatopsia (no color)

#DFDFDF

Design tokens & code

CSS

--color: #c0ef66;
/* rgb */ color: rgb(192, 239, 102);
/* oklch */ color: oklch(89.2% 0.172 125.6);

Tailwind

colors: {
  custom: {
    50: '#d6f496',
    500: '#c0ef66',
    950: '#000000',
  },
}

SCSS

$custom: #c0ef66;
$custom-light: #d6f496;
$custom-dark: #000000;

JSON

{
  "hex": "#c0ef66",
  "rgb": {
    "r": 192,
    "g": 239,
    "b": 102
  },
  "hsl": {
    "h": 80.584,
    "s": 81.065,
    "l": 66.863
  },
  "oklch": {
    "l": 0.89194,
    "c": 0.17221,
    "h": 125.6
  },
  "luminance": 0.73899
}

Semantic roles & 50–950 ramp

primary

#C0EF66

secondary

#6636C3

accent

#08DD51

background

#FEFFFC

surface

#FBFEF5

border

#D4D6CF

text

#15170E

muted

#84857F

Preview Lab

Preview with #C0EF66

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

Preview Lab → · Contrast checker → · Palette generator →