#C0EF55#C0EF55

#C0EF55 is a very light, vivid yellow-green. Relative luminance 0.736; OKLCH L 89.0% C 0.185 H 124.6°. Best body text is #000000 at 15.72:1 contrast (WCAG AA passes).

Color values

HEX#C0EF55
RGBrgb(192, 239, 85)
HSLhsl(78, 83%, 64%)
HSVhsv(78, 64%, 94%)
CMYKcmyk(19.7%, 0%, 64.4%, 6.3%)
CIE-LABlab(88.73, -36.68, 66.99)
CIE-LCHlch(88.73, 76.38, 118.70°)
OKLaboklab(89.03% -0.1054 0.1526)
OKLCHoklch(89.03% 0.185 124.6)
XYZxyz(54.2448, 73.5948, 19.9400)
Luminance0.7359 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#C0EF55 #8455EF
analogous
#EFD155 #C0EF55 #73EF55
triadic
#C0EF55 #55C0EF #EF55C0
tetradic
#C0EF55 #55EFD1 #8455EF #EF5573
square
#C0EF55 #55EFD1 #8455EF #EF5573
split-complementary
#C0EF55 #5573EF #D155EF
monochromatic
#85B811 #ABEA1D #C0EF55 #D5F48D #E9FAC5

Accessibility & contrast

On white

1.34
#C0EF55 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

15.72
#C0EF55 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C0EF55
15.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##C0EF55#FFFFFF#000000##000000
##C0EF551.001.3415.7215.72
#FFFFFF1.341.0021.0021.00
#00000015.7221.001.001.00
##00000015.7221.001.001.00

Color blindness preview

Protanopia (red-blind)
#FCE040
Deuteranopia (green-blind)
#F5DE61
Tritanopia (blue-blind)
#C8E4CF
Achromatopsia (no color)
#DFDFDF

Design tokens & code

CSS
--color: #c0ef55;
/* rgb */ color: rgb(192, 239, 85);
/* oklch */ color: oklch(89.0% 0.185 124.6);
Tailwind
colors: {
  custom: {
    50: '#d6f48c',
    500: '#c0ef55',
    950: '#000000',
  },
}
SCSS
$custom: #c0ef55;
$custom-light: #d6f48c;
$custom-dark: #000000;
JSON
{
  "hex": "#c0ef55",
  "rgb": {
    "r": 192,
    "g": 239,
    "b": 85
  },
  "hsl": {
    "h": 78.312,
    "s": 82.796,
    "l": 63.529
  },
  "oklch": {
    "l": 0.89031,
    "c": 0.18545,
    "h": 124.6
  },
  "luminance": 0.73595
}

Semantic roles & 50–950 ramp

primary
#C0EF55
secondary
#5A31B7
accent
#06DF48
background
#FEFFFC
surface
#FCFEF4
border
#D5D6CE
text
#15170D
muted
#84857F

Preview Lab

Preview with #C0EF55

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

Preview Lab → · Contrast checker → · Palette generator →

#C0EF55 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva