#C6F55B#C6F55B

#C6F55B is a very light, vivid yellow-green. Relative luminance 0.781; OKLCH L 90.8% C 0.186 H 124.5°. Best body text is #000000 at 16.61:1 contrast (WCAG AA passes).

Color values

HEX	#C6F55B
RGB	rgb(198, 245, 91)
HSL	hsl(78, 89%, 66%)
HSV	hsv(78, 63%, 96%)
CMYK	cmyk(19.2%, 0%, 62.9%, 3.9%)
CIE-LAB	lab(90.81, -36.70, 66.94)
CIE-LCH	lch(90.81, 76.34, 118.74°)
OKLab	oklab(90.82% -0.1053 0.1532)
OKLCH	oklch(90.82% 0.186 124.5)
XYZ	xyz(57.8298, 78.0654, 21.9170)
Luminance	0.7807 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C6F55B #8A5BF5

analogous

#F5D75B #C6F55B #79F55B

triadic

#C6F55B #5BC6F5 #F55BC6

tetradic

#C6F55B #5BF5D7 #8A5BF5 #F55B79

square

#C6F55B #5BF5D7 #8A5BF5 #F55B79

split-complementary

#C6F55B #5B79F5 #D75BF5

monochromatic

#90C90C #B2F121 #C6F55B #DAF995 #EEFCCE

Accessibility & contrast

On white

1.26

#C6F55B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.61

#C6F55B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C6F55B

16.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C6F55B	#FFFFFF	#000000	##000000
##C6F55B	1.00	1.26	16.61	16.61
#FFFFFF	1.26	1.00	21.00	21.00
#000000	16.61	21.00	1.00	1.00
##000000	16.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE648

Deuteranopia (green-blind)

#FCE466

Tritanopia (blue-blind)

#CEEAD5

Achromatopsia (no color)

#E5E5E5

Design tokens & code

CSS

--color: #c6f55b;
/* rgb */ color: rgb(198, 245, 91);
/* oklch */ color: oklch(90.8% 0.186 124.5);

Tailwind

colors: {
  custom: {
    50: '#daf890',
    500: '#c6f55b',
    950: '#000000',
  },
}

SCSS

$custom: #c6f55b;
$custom-light: #daf890;
$custom-dark: #000000;

JSON

{
  "hex": "#c6f55b",
  "rgb": {
    "r": 198,
    "g": 245,
    "b": 91
  },
  "hsl": {
    "h": 78.312,
    "s": 88.506,
    "l": 65.882
  },
  "oklch": {
    "l": 0.90821,
    "c": 0.18583,
    "h": 124.5
  },
  "luminance": 0.78066
}

Semantic roles & 50–950 ramp

primary

#C6F55B

secondary

#5D2EC6

accent

#00E546

background

#FEFFFC

surface

#FCFFF4

border

#D5D7CE

text

#15170D

muted

#84857F

Preview Lab

Preview with #C6F55B

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

Preview Lab → · Contrast checker → · Palette generator →