#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
RGB	rgb(196, 240, 91)
HSL	hsl(78, 83%, 65%)
HSV	hsv(78, 62%, 94%)
CMYK	cmyk(18.3%, 0%, 62.1%, 5.9%)
CIE-LAB	lab(89.30, -35.20, 65.29)
CIE-LCH	lch(89.30, 74.17, 118.33°)
OKLab	oklab(89.57% -0.101 0.1497)
OKLCH	oklch(89.57% 0.181 124)
XYZ	xyz(55.8137, 74.8109, 21.3950)
Luminance	0.7481 (WCAG relative)
Temperature	warm
Family	yellow-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
##C4F05B	1.00	1.32	15.96	15.96
#FFFFFF	1.32	1.00	21.00	21.00
#000000	15.96	21.00	1.00	1.00
##000000	15.96	21.00	1.00	1.00

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 →