#C8F55B#C8F55B

#C8F55B is a very light, vivid yellow-green. Relative luminance 0.783; OKLCH L 91.0% C 0.185 H 123.9°. Best body text is #000000 at 16.67:1 contrast (WCAG AA passes).

Color values

HEX	#C8F55B
RGB	rgb(200, 245, 91)
HSL	hsl(78, 89%, 66%)
HSV	hsv(78, 63%, 96%)
CMYK	cmyk(18.4%, 0%, 62.9%, 3.9%)
CIE-LAB	lab(90.93, -35.95, 67.11)
CIE-LCH	lch(90.93, 76.14, 118.18°)
OKLab	oklab(90.95% -0.1033 0.1535)
OKLCH	oklch(90.95% 0.185 123.9)
XYZ	xyz(58.3606, 78.3391, 21.9418)
Luminance	0.7834 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C8F55B #885BF5

analogous

#F5D55B #C8F55B #7BF55B

triadic

#C8F55B #5BC8F5 #F55BC8

tetradic

#C8F55B #5BF5D5 #885BF5 #F55B7B

square

#C8F55B #5BF5D5 #885BF5 #F55B7B

split-complementary

#C8F55B #5B7BF5 #D55BF5

monochromatic

#92C90C #B5F121 #C8F55B #DBF995 #EFFCCE

Accessibility & contrast

On white

1.26

#C8F55B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.67

#C8F55B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C8F55B

16.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C8F55B	#FFFFFF	#000000	##000000
##C8F55B	1.00	1.26	16.67	16.67
#FFFFFF	1.26	1.00	21.00	21.00
#000000	16.67	21.00	1.00	1.00
##000000	16.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE647

Deuteranopia (green-blind)

#FCE566

Tritanopia (blue-blind)

#D1EAD5

Achromatopsia (no color)

#E5E5E5

Design tokens & code

CSS

--color: #c8f55b;
/* rgb */ color: rgb(200, 245, 91);
/* oklch */ color: oklch(91.0% 0.185 123.9);

Tailwind

colors: {
  custom: {
    50: '#dcf890',
    500: '#c8f55b',
    950: '#000000',
  },
}

SCSS

$custom: #c8f55b;
$custom-light: #dcf890;
$custom-dark: #000000;

JSON

{
  "hex": "#c8f55b",
  "rgb": {
    "r": 200,
    "g": 245,
    "b": 91
  },
  "hsl": {
    "h": 77.532,
    "s": 88.506,
    "l": 65.882
  },
  "oklch": {
    "l": 0.90954,
    "c": 0.18499,
    "h": 123.9
  },
  "luminance": 0.7834
}

Semantic roles & 50–950 ramp

primary

#C8F55B

secondary

#5B2EC6

accent

#00E543

background

#FEFFFC

surface

#FCFFF4

border

#D5D7CE

text

#15170D

muted

#84857F

Preview Lab

Preview with #C8F55B

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

Preview Lab → · Contrast checker → · Palette generator →