#CBEF63#CBEF63

#CBEF63 is a very light, vivid yellow-green. Relative luminance 0.753; OKLCH L 89.9% C 0.170 H 122.0°. Best body text is #000000 at 16.07:1 contrast (WCAG AA passes).

Color values

HEX	#CBEF63
RGB	rgb(203, 239, 99)
HSL	hsl(75, 81%, 66%)
HSV	hsv(75, 59%, 94%)
CMYK	cmyk(15.1%, 0%, 58.6%, 6.3%)
CIE-LAB	lab(89.55, -31.46, 62.35)
CIE-LCH	lch(89.55, 69.84, 116.78°)
OKLab	oklab(89.91% -0.0903 0.1443)
OKLCH	oklch(89.91% 0.17 122)
XYZ	xyz(57.7478, 75.3303, 23.2999)
Luminance	0.7533 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CBEF63 #8763EF

analogous

#EFCD63 #CBEF63 #85EF63

triadic

#CBEF63 #63CBEF #EF63CB

tetradic

#CBEF63 #63EFCD #8763EF #EF6385

square

#CBEF63 #63EFCD #8763EF #EF6385

split-complementary

#CBEF63 #6385EF #CD63EF

monochromatic

#96C414 #B8E92B #CBEF63 #DEF59B #F0FAD2

Accessibility & contrast

On white

1.31

#CBEF63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.07

#CBEF63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #CBEF63

16.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CBEF63	#FFFFFF	#000000	##000000
##CBEF63	1.00	1.31	16.07	16.07
#FFFFFF	1.31	1.00	21.00	21.00
#000000	16.07	21.00	1.00	1.00
##000000	16.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FCE253

Deuteranopia (green-blind)

#F7E16C

Tritanopia (blue-blind)

#D4E4D1

Achromatopsia (no color)

#E1E1E1

Design tokens & code

CSS

--color: #cbef63;
/* rgb */ color: rgb(203, 239, 99);
/* oklch */ color: oklch(89.9% 0.170 122.0);

Tailwind

colors: {
  custom: {
    50: '#ddf494',
    500: '#cbef63',
    950: '#000000',
  },
}

SCSS

$custom: #cbef63;
$custom-light: #ddf494;
$custom-dark: #000000;

JSON

{
  "hex": "#cbef63",
  "rgb": {
    "r": 203,
    "g": 239,
    "b": 99
  },
  "hsl": {
    "h": 75.429,
    "s": 81.395,
    "l": 66.275
  },
  "oklch": {
    "l": 0.89907,
    "c": 0.17019,
    "h": 122
  },
  "luminance": 0.7533
}

Semantic roles & 50–950 ramp

primary

#CBEF63

secondary

#5935C1

accent

#08DE3F

background

#FEFFFC

surface

#FCFEF5

border

#D5D6CF

text

#15170E

muted

#84857F

Preview Lab

Preview with #CBEF63

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

Preview Lab → · Contrast checker → · Palette generator →