#CEF04B#CEF04B

#CEF04B is a very light, vivid yellow-green. Relative luminance 0.759; OKLCH L 90.1% C 0.188 H 120.5°. Best body text is #000000 at 16.19:1 contrast (WCAG AA passes).

Color values

HEX	#CEF04B
RGB	rgb(206, 240, 75)
HSL	hsl(72, 85%, 62%)
HSV	hsv(72, 69%, 94%)
CMYK	cmyk(14.2%, 0%, 68.7%, 5.9%)
CIE-LAB	lab(89.84, -32.37, 72.17)
CIE-LCH	lch(89.84, 79.10, 114.16°)
OKLab	oklab(90.13% -0.0951 0.1618)
OKLCH	oklch(90.13% 0.188 120.5)
XYZ	xyz(57.8846, 75.9501, 18.2656)
Luminance	0.7595 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CEF04B #6D4BF0

analogous

#F0C04B #CEF04B #7CF04B

triadic

#CEF04B #4BCEF0 #F04BCE

tetradic

#CEF04B #4BF0C0 #6D4BF0 #F04B7C

square

#CEF04B #4BF0C0 #6D4BF0 #F04B7C

split-complementary

#CEF04B #4B7CF0 #C04BF0

monochromatic

#90B20F #BEEA14 #CEF04B #DDF583 #EDF9BC

Accessibility & contrast

On white

1.30

#CEF04B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.19

#CEF04B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #CEF04B

16.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CEF04B	#FFFFFF	#000000	##000000
##CEF04B	1.00	1.30	16.19	16.19
#FFFFFF	1.30	1.00	21.00	21.00
#000000	16.19	21.00	1.00	1.00
##000000	16.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE230

Deuteranopia (green-blind)

#FBE258

Tritanopia (blue-blind)

#D9E4CF

Achromatopsia (no color)

#E2E2E2

Design tokens & code

CSS

--color: #cef04b;
/* rgb */ color: rgb(206, 240, 75);
/* oklch */ color: oklch(90.1% 0.188 120.5);

Tailwind

colors: {
  custom: {
    50: '#e1f587',
    500: '#cef04b',
    950: '#000000',
  },
}

SCSS

$custom: #cef04b;
$custom-light: #e1f587;
$custom-dark: #000000;

JSON

{
  "hex": "#cef04b",
  "rgb": {
    "r": 206,
    "g": 240,
    "b": 75
  },
  "hsl": {
    "h": 72.364,
    "s": 84.615,
    "l": 61.765
  },
  "oklch": {
    "l": 0.90131,
    "c": 0.18768,
    "h": 120.5
  },
  "luminance": 0.7595
}

Semantic roles & 50–950 ramp

primary

#CEF04B

secondary

#492DB2

accent

#04E132

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#16170C

muted

#84857F

Preview Lab

Preview with #CEF04B

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

Preview Lab → · Contrast checker → · Palette generator →