#C4EC57#C4EC57

#C4EC57 is a very light, vivid yellow-green. Relative luminance 0.724; OKLCH L 88.6% C 0.179 H 122.9°. Best body text is #000000 at 15.48:1 contrast (WCAG AA passes).

Color values

HEX	#C4EC57
RGB	rgb(196, 236, 87)
HSL	hsl(76, 80%, 63%)
HSV	hsv(76, 63%, 93%)
CMYK	cmyk(16.9%, 0%, 63.1%, 7.5%)
CIE-LAB	lab(88.17, -33.66, 65.68)
CIE-LCH	lch(88.17, 73.80, 117.13°)
OKLab	oklab(88.65% -0.0971 0.15)
OKLCH	oklch(88.65% 0.179 122.9)
XYZ	xyz(54.4812, 72.4146, 20.1222)
Luminance	0.7241 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C4EC57 #7F57EC

analogous

#ECC957 #C4EC57 #79EC57

triadic

#C4EC57 #57C4EC #EC57C4

tetradic

#C4EC57 #57ECC9 #7F57EC #EC5779

square

#C4EC57 #57ECC9 #7F57EC #EC5779

split-complementary

#C4EC57 #5779EC #C957EC

monochromatic

#89B414 #B1E620 #C4EC57 #D7F28E #EBF8C5

Accessibility & contrast

On white

1.36

#C4EC57 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.48

#C4EC57 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C4EC57

15.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C4EC57	#FFFFFF	#000000	##000000
##C4EC57	1.00	1.36	15.48	15.48
#FFFFFF	1.36	1.00	21.00	21.00
#000000	15.48	21.00	1.00	1.00
##000000	15.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F9DE44

Deuteranopia (green-blind)

#F4DD62

Tritanopia (blue-blind)

#CDE1CD

Achromatopsia (no color)

#DDDDDD

Design tokens & code

CSS

--color: #c4ec57;
/* rgb */ color: rgb(196, 236, 87);
/* oklch */ color: oklch(88.6% 0.179 122.9);

Tailwind

colors: {
  custom: {
    50: '#d9f28d',
    500: '#c4ec57',
    950: '#000000',
  },
}

SCSS

$custom: #c4ec57;
$custom-light: #d9f28d;
$custom-dark: #000000;

JSON

{
  "hex": "#c4ec57",
  "rgb": {
    "r": 196,
    "g": 236,
    "b": 87
  },
  "hsl": {
    "h": 76.107,
    "s": 79.679,
    "l": 63.333
  },
  "oklch": {
    "l": 0.88647,
    "c": 0.17867,
    "h": 122.9
  },
  "luminance": 0.72415
}

Semantic roles & 50–950 ramp

primary

#C4EC57

secondary

#5633B4

accent

#0ADC42

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#15170D

muted

#84857F

Preview Lab

Preview with #C4EC57

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

Preview Lab → · Contrast checker → · Palette generator →