#C4F557#C4F557

#C4F557 is a very light, vivid yellow-green. Relative luminance 0.777; OKLCH L 90.7% C 0.190 H 124.9°. Best body text is #000000 at 16.55:1 contrast (WCAG AA passes).

Color values

HEX	#C4F557
RGB	rgb(196, 245, 87)
HSL	hsl(79, 89%, 65%)
HSV	hsv(79, 64%, 96%)
CMYK	cmyk(20%, 0%, 64.5%, 3.9%)
CIE-LAB	lab(90.66, -37.74, 68.32)
CIE-LCH	lch(90.66, 78.05, 118.91°)
OKLab	oklab(90.66% -0.1083 0.1556)
OKLCH	oklch(90.66% 0.19 124.9)
XYZ	xyz(57.1380, 77.7281, 21.0078)
Luminance	0.7773 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C4F557 #8857F5

analogous

#F5D757 #C4F557 #75F557

triadic

#C4F557 #57C4F5 #F557C4

tetradic

#C4F557 #57F5D7 #8857F5 #F55775

square

#C4F557 #57F5D7 #8857F5 #F55775

split-complementary

#C4F557 #5775F5 #D757F5

monochromatic

#8CC60C #B0F21D #C4F557 #D8F891 #EDFCCB

Accessibility & contrast

On white

1.27

#C4F557 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.55

#C4F557 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C4F557

16.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C4F557	#FFFFFF	#000000	##000000
##C4F557	1.00	1.27	16.55	16.55
#FFFFFF	1.27	1.00	21.00	21.00
#000000	16.55	21.00	1.00	1.00
##000000	16.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE642

Deuteranopia (green-blind)

#FBE463

Tritanopia (blue-blind)

#CCEAD5

Achromatopsia (no color)

#E4E4E4

Design tokens & code

CSS

--color: #c4f557;
/* rgb */ color: rgb(196, 245, 87);
/* oklch */ color: oklch(90.7% 0.190 124.9);

Tailwind

colors: {
  custom: {
    50: '#d9f88e',
    500: '#c4f557',
    950: '#000000',
  },
}

SCSS

$custom: #c4f557;
$custom-light: #d9f88e;
$custom-dark: #000000;

JSON

{
  "hex": "#c4f557",
  "rgb": {
    "r": 196,
    "g": 245,
    "b": 87
  },
  "hsl": {
    "h": 78.608,
    "s": 88.764,
    "l": 65.098
  },
  "oklch": {
    "l": 0.90655,
    "c": 0.18959,
    "h": 124.9
  },
  "luminance": 0.77729
}

Semantic roles & 50–950 ramp

primary

#C4F557

secondary

#5C2DC3

accent

#00E547

background

#FEFFFC

surface

#FCFFF4

border

#D5D7CE

text

#15170D

muted

#84857F

Preview Lab

Preview with #C4F557

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

Preview Lab → · Contrast checker → · Palette generator →