#C4E559#C4E559

#C4E559 is a very light, vivid yellow-green. Relative luminance 0.685; OKLCH L 87.1% C 0.169 H 121.2°. Best body text is #000000 at 14.70:1 contrast (WCAG AA passes).

Color values

HEX	#C4E559
RGB	rgb(196, 229, 89)
HSL	hsl(74, 73%, 62%)
HSV	hsv(74, 61%, 90%)
CMYK	cmyk(14.4%, 0%, 61.1%, 10.2%)
CIE-LAB	lab(86.25, -30.27, 62.80)
CIE-LCH	lch(86.25, 69.72, 115.74°)
OKLab	oklab(87.11% -0.0875 0.1442)
OKLCH	oklch(87.11% 0.169 121.2)
XYZ	xyz(52.5880, 68.4957, 19.8998)
Luminance	0.6850 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C4E559 #7A59E5

analogous

#E5C059 #C4E559 #7EE559

triadic

#C4E559 #59C4E5 #E559C4

tetradic

#C4E559 #59E5C0 #7A59E5 #E5597E

square

#C4E559 #59E5C0 #7A59E5 #E5597E

split-complementary

#C4E559 #597EE5 #C059E5

monochromatic

#87A91A #B1DD24 #C4E559 #D7ED8E #EAF6C3

Accessibility & contrast

On white

1.43

#C4E559 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.70

#C4E559 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C4E559

14.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C4E559	#FFFFFF	#000000	##000000
##C4E559	1.00	1.43	14.70	14.70
#FFFFFF	1.43	1.00	21.00	21.00
#000000	14.70	21.00	1.00	1.00
##000000	14.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F2D848

Deuteranopia (green-blind)

#EED863

Tritanopia (blue-blind)

#CEDAC8

Achromatopsia (no color)

#D8D8D8

Design tokens & code

CSS

--color: #c4e559;
/* rgb */ color: rgb(196, 229, 89);
/* oklch */ color: oklch(87.1% 0.169 121.2);

Tailwind

colors: {
  custom: {
    50: '#d9ed8d',
    500: '#c4e559',
    950: '#000000',
  },
}

SCSS

$custom: #c4e559;
$custom-light: #d9ed8d;
$custom-dark: #000000;

JSON

{
  "hex": "#c4e559",
  "rgb": {
    "r": 196,
    "g": 229,
    "b": 89
  },
  "hsl": {
    "h": 74.143,
    "s": 72.917,
    "l": 62.353
  },
  "oklch": {
    "l": 0.87109,
    "c": 0.16863,
    "h": 121.2
  },
  "luminance": 0.68496
}

Semantic roles & 50–950 ramp

primary

#C4E559

secondary

#5337AB

accent

#10D53F

background

#FEFEFC

surface

#FCFDF4

border

#D5D5CE

text

#15160D

muted

#84847F

Preview Lab

Preview with #C4E559

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

Preview Lab → · Contrast checker → · Palette generator →