#CBFF51#CBFF51

#CBFF51 is a very light, highly saturated yellow-green. Relative luminance 0.848; OKLCH L 93.3% C 0.203 H 124.7°. Best body text is #000000 at 17.96:1 contrast (WCAG AA passes).

Color values

HEX	#CBFF51
RGB	rgb(203, 255, 81)
HSL	hsl(78, 100%, 66%)
HSV	hsv(78, 68%, 100%)
CMYK	cmyk(20.4%, 0%, 68.2%, 0%)
CIE-LAB	lab(93.80, -39.94, 73.96)
CIE-LCH	lch(93.80, 84.05, 118.37°)
OKLab	oklab(93.29% -0.1153 0.1665)
OKLCH	oklch(93.29% 0.203 124.7)
XYZ	xyz(61.8743, 84.8100, 20.8932)
Luminance	0.8481 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CBFF51 #8551FF

analogous

#FFDC51 #CBFF51 #74FF51

triadic

#CBFF51 #51CBFF #FF51CB

tetradic

#CBFF51 #51FFDC #8551FF #FF5174

square

#CBFF51 #51FFDC #8551FF #FF5174

split-complementary

#CBFF51 #5174FF #DC51FF

monochromatic

#96D600 #B9FF14 #CBFF51 #DDFF8E #F0FFCB

Accessibility & contrast

On white

1.17

#CBFF51 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.96

#CBFF51 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #CBFF51

17.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CBFF51	#FFFFFF	#000000	##000000
##CBFF51	1.00	1.17	17.96	17.96
#FFFFFF	1.17	1.00	21.00	21.00
#000000	17.96	21.00	1.00	1.00
##000000	17.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEF35

Deuteranopia (green-blind)

#FFED5F

Tritanopia (blue-blind)

#D4F3DC

Achromatopsia (no color)

#EDEDED

Design tokens & code

CSS

--color: #cbff51;
/* rgb */ color: rgb(203, 255, 81);
/* oklch */ color: oklch(93.3% 0.203 124.7);

Tailwind

colors: {
  custom: {
    50: '#dfff8b',
    500: '#cbff51',
    950: '#000000',
  },
}

SCSS

$custom: #cbff51;
$custom-light: #dfff8b;
$custom-dark: #000000;

JSON

{
  "hex": "#cbff51",
  "rgb": {
    "r": 203,
    "g": 255,
    "b": 81
  },
  "hsl": {
    "h": 77.931,
    "s": 100,
    "l": 65.882
  },
  "oklch": {
    "l": 0.93295,
    "c": 0.20251,
    "h": 124.7
  },
  "luminance": 0.84811
}

Semantic roles & 50–950 ramp

primary

#CBFF51

secondary

#5825D0

accent

#00E645

background

#FEFFFC

surface

#FCFFF4

border

#D5D7CE

text

#16180D

muted

#84867F

Preview Lab

Preview with #CBFF51

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

Preview Lab → · Contrast checker → · Palette generator →