#CBF251#CBF251

#CBF251 is a very light, vivid yellow-green. Relative luminance 0.768; OKLCH L 90.4% C 0.187 H 122.0°. Best body text is #000000 at 16.36:1 contrast (WCAG AA passes).

Color values

HEX	#CBF251
RGB	rgb(203, 242, 81)
HSL	hsl(75, 86%, 63%)
HSV	hsv(75, 67%, 95%)
CMYK	cmyk(16.1%, 0%, 66.5%, 5.1%)
CIE-LAB	lab(90.23, -34.10, 70.31)
CIE-LCH	lch(90.23, 78.14, 115.88°)
OKLab	oklab(90.41% -0.0992 0.1588)
OKLCH	oklch(90.41% 0.187 122)
XYZ	xyz(57.8667, 76.7948, 19.5573)
Luminance	0.7680 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CBF251 #7851F2

analogous

#F2C851 #CBF251 #7AF251

triadic

#CBF251 #51CBF2 #F251CB

tetradic

#CBF251 #51F2C8 #7851F2 #F2517A

square

#CBF251 #51F2C8 #7851F2 #F2517A

split-complementary

#CBF251 #517AF2 #C851F2

monochromatic

#91BB0E #BAEE18 #CBF251 #DCF68A #EDFBC3

Accessibility & contrast

On white

1.28

#CBF251 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.36

#CBF251 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #CBF251

16.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CBF251	#FFFFFF	#000000	##000000
##CBF251	1.00	1.28	16.36	16.36
#FFFFFF	1.28	1.00	21.00	21.00
#000000	16.36	21.00	1.00	1.00
##000000	16.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE439

Deuteranopia (green-blind)

#FBE35E

Tritanopia (blue-blind)

#D5E6D2

Achromatopsia (no color)

#E3E3E3

Design tokens & code

CSS

--color: #cbf251;
/* rgb */ color: rgb(203, 242, 81);
/* oklch */ color: oklch(90.4% 0.187 122.0);

Tailwind

colors: {
  custom: {
    50: '#def68a',
    500: '#cbf251',
    950: '#000000',
  },
}

SCSS

$custom: #cbf251;
$custom-light: #def68a;
$custom-dark: #000000;

JSON

{
  "hex": "#cbf251",
  "rgb": {
    "r": 203,
    "g": 242,
    "b": 81
  },
  "hsl": {
    "h": 74.534,
    "s": 86.096,
    "l": 63.333
  },
  "oklch": {
    "l": 0.90409,
    "c": 0.18725,
    "h": 122
  },
  "luminance": 0.76795
}

Semantic roles & 50–950 ramp

primary

#CBF251

secondary

#502EB9

accent

#03E339

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#16170C

muted

#84857F

Preview Lab

Preview with #CBF251

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

Preview Lab → · Contrast checker → · Palette generator →