#C5EB59#C5EB59

#C5EB59 is a very light, vivid yellow-green. Relative luminance 0.720; OKLCH L 88.5% C 0.176 H 122.5°. Best body text is #000000 at 15.40:1 contrast (WCAG AA passes).

Color values

HEX	#C5EB59
RGB	rgb(197, 235, 89)
HSL	hsl(76, 78%, 64%)
HSV	hsv(76, 62%, 92%)
CMYK	cmyk(16.2%, 0%, 62.1%, 7.8%)
CIE-LAB	lab(87.97, -32.67, 64.68)
CIE-LCH	lch(87.97, 72.46, 116.80°)
OKLab	oklab(88.51% -0.0942 0.1481)
OKLCH	oklch(88.51% 0.176 122.5)
XYZ	xyz(54.5380, 72.0081, 20.4750)
Luminance	0.7201 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C5EB59 #7F59EB

analogous

#EBC859 #C5EB59 #7CEB59

triadic

#C5EB59 #59C5EB #EB59C5

tetradic

#C5EB59 #59EBC8 #7F59EB #EB597C

square

#C5EB59 #59EBC8 #7F59EB #EB597C

split-complementary

#C5EB59 #597CEB #C859EB

monochromatic

#8BB416 #B2E422 #C5EB59 #D8F290 #EBF8C6

Accessibility & contrast

On white

1.36

#C5EB59 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.40

#C5EB59 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C5EB59

15.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C5EB59	#FFFFFF	#000000	##000000
##C5EB59	1.00	1.36	15.40	15.40
#FFFFFF	1.36	1.00	21.00	21.00
#000000	15.40	21.00	1.00	1.00
##000000	15.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F8DE47

Deuteranopia (green-blind)

#F3DD63

Tritanopia (blue-blind)

#CEE0CD

Achromatopsia (no color)

#DDDDDD

Design tokens & code

CSS

--color: #c5eb59;
/* rgb */ color: rgb(197, 235, 89);
/* oklch */ color: oklch(88.5% 0.176 122.5);

Tailwind

colors: {
  custom: {
    50: '#daf18e',
    500: '#c5eb59',
    950: '#000000',
  },
}

SCSS

$custom: #c5eb59;
$custom-light: #daf18e;
$custom-dark: #000000;

JSON

{
  "hex": "#c5eb59",
  "rgb": {
    "r": 197,
    "g": 235,
    "b": 89
  },
  "hsl": {
    "h": 75.616,
    "s": 78.495,
    "l": 63.529
  },
  "oklch": {
    "l": 0.88511,
    "c": 0.17555,
    "h": 122.5
  },
  "luminance": 0.72008
}

Semantic roles & 50–950 ramp

primary

#C5EB59

secondary

#5634B4

accent

#0BDB41

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#15160D

muted

#84857F

Preview Lab

Preview with #C5EB59

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

Preview Lab → · Contrast checker → · Palette generator →