#C4E03A#C4E03A

#C4E03A is a very light, vivid yellow-green. Relative luminance 0.654; OKLCH L 85.8% C 0.183 H 119.0°. Best body text is #000000 at 14.07:1 contrast (WCAG AA passes).

Color values

HEX	#C4E03A
RGB	rgb(196, 224, 58)
HSL	hsl(70, 73%, 55%)
HSV	hsv(70, 74%, 88%)
CMYK	cmyk(12.5%, 0%, 74.1%, 12.2%)
CIE-LAB	lab(84.67, -29.78, 72.68)
CIE-LCH	lch(84.67, 78.54, 112.28°)
OKLab	oklab(85.76% -0.0888 0.1604)
OKLCH	oklch(85.76% 0.183 119)
XYZ	xyz(50.1854, 65.3529, 13.9727)
Luminance	0.6535 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C4E03A #563AE0

analogous

#E0A93A #C4E03A #71E03A

triadic

#C4E03A #3AC4E0 #E03AC4

tetradic

#C4E03A #3AE0A9 #563AE0 #E03A71

square

#C4E03A #3AE0A9 #563AE0 #E03A71

split-complementary

#C4E03A #3A71E0 #A93AE0

monochromatic

#768A16 #A4BF1E #C4E03A #D4E86F #E4F1A4

Accessibility & contrast

On white

1.49

#C4E03A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.07

#C4E03A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C4E03A

14.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C4E03A	#FFFFFF	#000000	##000000
##C4E03A	1.00	1.49	14.07	14.07
#FFFFFF	1.49	1.00	21.00	21.00
#000000	14.07	21.00	1.00	1.00
##000000	14.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EFD313

Deuteranopia (green-blind)

#EBD449

Tritanopia (blue-blind)

#D0D4C1

Achromatopsia (no color)

#D3D3D3

Design tokens & code

CSS

--color: #c4e03a;
/* rgb */ color: rgb(196, 224, 58);
/* oklch */ color: oklch(85.8% 0.183 119.0);

Tailwind

colors: {
  custom: {
    50: '#dae97c',
    500: '#c4e03a',
    950: '#000000',
  },
}

SCSS

$custom: #c4e03a;
$custom-light: #dae97c;
$custom-dark: #000000;

JSON

{
  "hex": "#c4e03a",
  "rgb": {
    "r": 196,
    "g": 224,
    "b": 58
  },
  "hsl": {
    "h": 70.12,
    "s": 72.807,
    "l": 55.294
  },
  "oklch": {
    "l": 0.85763,
    "c": 0.18339,
    "h": 119
  },
  "luminance": 0.65353
}

Semantic roles & 50–950 ramp

primary

#C4E03A

secondary

#3F2F90

accent

#38EF57

background

#FEFEFB

surface

#FCFCF2

border

#D5D5CC

text

#15160A

muted

#84847D

Preview Lab

Preview with #C4E03A

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

Preview Lab → · Contrast checker → · Palette generator →