#CBEF59#CBEF59

#CBEF59 is a very light, vivid yellow-green. Relative luminance 0.752; OKLCH L 89.8% C 0.178 H 121.6°. Best body text is #000000 at 16.03:1 contrast (WCAG AA passes).

Color values

HEX	#CBEF59
RGB	rgb(203, 239, 89)
HSL	hsl(74, 82%, 64%)
HSV	hsv(74, 63%, 94%)
CMYK	cmyk(15.1%, 0%, 62.8%, 6.3%)
CIE-LAB	lab(89.46, -32.20, 66.40)
CIE-LCH	lch(89.46, 73.79, 115.87°)
OKLab	oklab(89.81% -0.0932 0.1517)
OKLCH	oklch(89.81% 0.178 121.6)
XYZ	xyz(57.2990, 75.1508, 20.9362)
Luminance	0.7515 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CBEF59 #7D59EF

analogous

#EFC859 #CBEF59 #80EF59

triadic

#CBEF59 #59CBEF #EF59CB

tetradic

#CBEF59 #59EFC8 #7D59EF #EF5980

square

#CBEF59 #59EFC8 #7D59EF #EF5980

split-complementary

#CBEF59 #5980EF #C859EF

monochromatic

#93BC12 #BAEA21 #CBEF59 #DCF491 #EEFAC9

Accessibility & contrast

On white

1.31

#CBEF59 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.03

#CBEF59 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #CBEF59

16.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CBEF59	#FFFFFF	#000000	##000000
##CBEF59	1.00	1.31	16.03	16.03
#FFFFFF	1.31	1.00	21.00	21.00
#000000	16.03	21.00	1.00	1.00
##000000	16.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FDE246

Deuteranopia (green-blind)

#F8E164

Tritanopia (blue-blind)

#D5E3D0

Achromatopsia (no color)

#E1E1E1

Design tokens & code

CSS

--color: #cbef59;
/* rgb */ color: rgb(203, 239, 89);
/* oklch */ color: oklch(89.8% 0.178 121.6);

Tailwind

colors: {
  custom: {
    50: '#def48e',
    500: '#cbef59',
    950: '#000000',
  },
}

SCSS

$custom: #cbef59;
$custom-light: #def48e;
$custom-dark: #000000;

JSON

{
  "hex": "#cbef59",
  "rgb": {
    "r": 203,
    "g": 239,
    "b": 89
  },
  "hsl": {
    "h": 74.4,
    "s": 82.418,
    "l": 64.314
  },
  "oklch": {
    "l": 0.89812,
    "c": 0.17802,
    "h": 121.6
  },
  "luminance": 0.75151
}

Semantic roles & 50–950 ramp

primary

#CBEF59

secondary

#5332BA

accent

#07DF3B

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#15170D

muted

#84857F

Preview Lab

Preview with #CBEF59

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

Preview Lab → · Contrast checker → · Palette generator →