#C5F258#C5F258

#C5F258 is a very light, vivid yellow-green. Relative luminance 0.761; OKLCH L 90.1% C 0.185 H 124.0°. Best body text is #000000 at 16.22:1 contrast (WCAG AA passes).

Color values

HEX	#C5F258
RGB	rgb(197, 242, 88)
HSL	hsl(78, 86%, 65%)
HSV	hsv(78, 64%, 95%)
CMYK	cmyk(18.6%, 0%, 63.6%, 5.1%)
CIE-LAB	lab(89.90, -35.94, 67.14)
CIE-LCH	lch(89.90, 76.16, 118.16°)
OKLab	oklab(90.06% -0.1033 0.1532)
OKLCH	oklch(90.06% 0.185 124)
XYZ	xyz(56.5400, 76.0787, 20.9366)
Luminance	0.7608 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C5F258 #8558F2

analogous

#F2D258 #C5F258 #78F258

triadic

#C5F258 #58C5F2 #F258C5

tetradic

#C5F258 #58F2D2 #8558F2 #F25878

square

#C5F258 #58F2D2 #8558F2 #F25878

split-complementary

#C5F258 #5878F2 #D258F2

monochromatic

#8DC10F #B1EE1F #C5F258 #D9F691 #ECFBCA

Accessibility & contrast

On white

1.30

#C5F258 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.22

#C5F258 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C5F258

16.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C5F258	#FFFFFF	#000000	##000000
##C5F258	1.00	1.30	16.22	16.22
#FFFFFF	1.30	1.00	21.00	21.00
#000000	16.22	21.00	1.00	1.00
##000000	16.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE344

Deuteranopia (green-blind)

#F9E263

Tritanopia (blue-blind)

#CEE7D2

Achromatopsia (no color)

#E2E2E2

Design tokens & code

CSS

--color: #c5f258;
/* rgb */ color: rgb(197, 242, 88);
/* oklch */ color: oklch(90.1% 0.185 124.0);

Tailwind

colors: {
  custom: {
    50: '#daf68e',
    500: '#c5f258',
    950: '#000000',
  },
}

SCSS

$custom: #c5f258;
$custom-light: #daf68e;
$custom-dark: #000000;

JSON

{
  "hex": "#c5f258",
  "rgb": {
    "r": 197,
    "g": 242,
    "b": 88
  },
  "hsl": {
    "h": 77.532,
    "s": 85.556,
    "l": 64.706
  },
  "oklch": {
    "l": 0.9006,
    "c": 0.1848,
    "h": 124
  },
  "luminance": 0.76079
}

Semantic roles & 50–950 ramp

primary

#C5F258

secondary

#5930BE

accent

#03E244

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#15170D

muted

#84857F

Preview Lab

Preview with #C5F258

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

Preview Lab → · Contrast checker → · Palette generator →