#CBEF5B#CBEF5B

#CBEF5B is a very light, vivid yellow-green. Relative luminance 0.752; OKLCH L 89.8% C 0.177 H 121.7°. Best body text is #000000 at 16.04:1 contrast (WCAG AA passes).

Color values

HEX	#CBEF5B
RGB	rgb(203, 239, 91)
HSL	hsl(75, 82%, 65%)
HSV	hsv(75, 62%, 94%)
CMYK	cmyk(15.1%, 0%, 61.9%, 6.3%)
CIE-LAB	lab(89.48, -32.06, 65.61)
CIE-LCH	lch(89.48, 73.02, 116.04°)
OKLab	oklab(89.83% -0.0927 0.1502)
OKLCH	oklch(89.83% 0.177 121.7)
XYZ	xyz(57.3841, 75.1848, 21.3845)
Luminance	0.7519 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CBEF5B #7F5BEF

analogous

#EFC95B #CBEF5B #81EF5B

triadic

#CBEF5B #5BCBEF #EF5BCB

tetradic

#CBEF5B #5BEFC9 #7F5BEF #EF5B81

square

#CBEF5B #5BEFC9 #7F5BEF #EF5B81

split-complementary

#CBEF5B #5B81EF #C95BEF

monochromatic

#94BD12 #B9EA23 #CBEF5B #DDF493 #EEFACB

Accessibility & contrast

On white

1.31

#CBEF5B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.04

#CBEF5B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #CBEF5B

16.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CBEF5B	#FFFFFF	#000000	##000000
##CBEF5B	1.00	1.31	16.04	16.04
#FFFFFF	1.31	1.00	21.00	21.00
#000000	16.04	21.00	1.00	1.00
##000000	16.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FDE249

Deuteranopia (green-blind)

#F8E165

Tritanopia (blue-blind)

#D5E4D0

Achromatopsia (no color)

#E1E1E1

Design tokens & code

CSS

--color: #cbef5b;
/* rgb */ color: rgb(203, 239, 91);
/* oklch */ color: oklch(89.8% 0.177 121.7);

Tailwind

colors: {
  custom: {
    50: '#def48f',
    500: '#cbef5b',
    950: '#000000',
  },
}

SCSS

$custom: #cbef5b;
$custom-light: #def48f;
$custom-dark: #000000;

JSON

{
  "hex": "#cbef5b",
  "rgb": {
    "r": 203,
    "g": 239,
    "b": 91
  },
  "hsl": {
    "h": 74.595,
    "s": 82.222,
    "l": 64.706
  },
  "oklch": {
    "l": 0.8983,
    "c": 0.17651,
    "h": 121.7
  },
  "luminance": 0.75185
}

Semantic roles & 50–950 ramp

primary

#CBEF5B

secondary

#5433BC

accent

#07DF3B

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#15170D

muted

#84857F

Preview Lab

Preview with #CBEF5B

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

Preview Lab → · Contrast checker → · Palette generator →