#C4F05B#C4F05B

#C4F05B is a very light, vivid yellow-green. Relative luminance 0.748; OKLCH L 89.6% C 0.181 H 124.0°. Best body text is #000000 at 15.96:1 contrast (WCAG AA passes).

Color values

HEX#C4F05B
RGBrgb(196, 240, 91)
HSLhsl(78, 83%, 65%)
HSVhsv(78, 62%, 94%)
CMYKcmyk(18.3%, 0%, 62.1%, 5.9%)
CIE-LABlab(89.30, -35.20, 65.29)
CIE-LCHlch(89.30, 74.17, 118.33°)
OKLaboklab(89.57% -0.101 0.1497)
OKLCHoklch(89.57% 0.181 124)
XYZxyz(55.8137, 74.8109, 21.3950)
Luminance0.7481 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#C4F05B #875BF0
analogous
#F0D15B #C4F05B #7AF05B
triadic
#C4F05B #5BC4F0 #F05BC4
tetradic
#C4F05B #5BF0D1 #875BF0 #F05B7A
square
#C4F05B #5BF0D1 #875BF0 #F05B7A
split-complementary
#C4F05B #5B7AF0 #D15BF0
monochromatic
#8CBF11 #B0EB23 #C4F05B #D8F593 #ECFACB

Accessibility & contrast

On white

1.32
#C4F05B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

15.96
#C4F05B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C4F05B
15.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##C4F05B#FFFFFF#000000##000000
##C4F05B1.001.3215.9615.96
#FFFFFF1.321.0021.0021.00
#00000015.9621.001.001.00
##00000015.9621.001.001.00

Color blindness preview

Protanopia (red-blind)
#FDE249
Deuteranopia (green-blind)
#F7E066
Tritanopia (blue-blind)
#CDE5D1
Achromatopsia (no color)
#E0E0E0

Design tokens & code

CSS
--color: #c4f05b;
/* rgb */ color: rgb(196, 240, 91);
/* oklch */ color: oklch(89.6% 0.181 124.0);
Tailwind
colors: {
  custom: {
    50: '#d9f58f',
    500: '#c4f05b',
    950: '#000000',
  },
}
SCSS
$custom: #c4f05b;
$custom-light: #d9f58f;
$custom-dark: #000000;
JSON
{
  "hex": "#c4f05b",
  "rgb": {
    "r": 196,
    "g": 240,
    "b": 91
  },
  "hsl": {
    "h": 77.718,
    "s": 83.24,
    "l": 64.902
  },
  "oklch": {
    "l": 0.89574,
    "c": 0.18055,
    "h": 124
  },
  "luminance": 0.74811
}

Semantic roles & 50–950 ramp

primary
#C4F05B
secondary
#5B32BD
accent
#06E046
background
#FEFFFC
surface
#FCFEF4
border
#D5D6CE
text
#15170D
muted
#84857F

Preview Lab

Preview with #C4F05B

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

Preview Lab → · Contrast checker → · Palette generator →

#C4F05B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva