#C5ED59#C5ED59

#C5ED59 is a very light, vivid yellow-green. Relative luminance 0.732; OKLCH L 89.0% C 0.178 H 122.9°. Best body text is #000000 at 15.63:1 contrast (WCAG AA passes).

Color values

HEX	#C5ED59
RGB	rgb(197, 237, 89)
HSL	hsl(76, 80%, 64%)
HSV	hsv(76, 62%, 93%)
CMYK	cmyk(16.9%, 0%, 62.4%, 7.1%)
CIE-LAB	lab(88.52, -33.59, 65.27)
CIE-LCH	lch(88.52, 73.41, 117.23°)
OKLab	oklab(88.96% -0.0967 0.1494)
OKLCH	oklch(88.96% 0.178 122.9)
XYZ	xyz(55.1138, 73.1597, 20.6670)
Luminance	0.7316 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C5ED59 #8159ED

analogous

#EDCB59 #C5ED59 #7BED59

triadic

#C5ED59 #59C5ED #ED59C5

tetradic

#C5ED59 #59EDCB #8159ED #ED597B

square

#C5ED59 #59EDCB #8159ED #ED597B

split-complementary

#C5ED59 #597BED #CB59ED

monochromatic

#8BB814 #B2E722 #C5ED59 #D8F390 #ECF9C7

Accessibility & contrast

On white

1.34

#C5ED59 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.63

#C5ED59 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C5ED59

15.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C5ED59	#FFFFFF	#000000	##000000
##C5ED59	1.00	1.34	15.63	15.63
#FFFFFF	1.34	1.00	21.00	21.00
#000000	15.63	21.00	1.00	1.00
##000000	15.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FADF47

Deuteranopia (green-blind)

#F5DE64

Tritanopia (blue-blind)

#CEE2CE

Achromatopsia (no color)

#DEDEDE

Design tokens & code

CSS

--color: #c5ed59;
/* rgb */ color: rgb(197, 237, 89);
/* oklch */ color: oklch(89.0% 0.178 122.9);

Tailwind

colors: {
  custom: {
    50: '#daf38e',
    500: '#c5ed59',
    950: '#000000',
  },
}

SCSS

$custom: #c5ed59;
$custom-light: #daf38e;
$custom-dark: #000000;

JSON

{
  "hex": "#c5ed59",
  "rgb": {
    "r": 197,
    "g": 237,
    "b": 89
  },
  "hsl": {
    "h": 76.216,
    "s": 80.435,
    "l": 63.922
  },
  "oklch": {
    "l": 0.88955,
    "c": 0.17798,
    "h": 122.9
  },
  "luminance": 0.7316
}

Semantic roles & 50–950 ramp

primary

#C5ED59

secondary

#5733B7

accent

#09DD42

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#15170D

muted

#84857F

Preview Lab

Preview with #C5ED59

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

Preview Lab → · Contrast checker → · Palette generator →