#CEF359#CEF359

#CEF359 is a very light, vivid yellow-green. Relative luminance 0.779; OKLCH L 90.9% C 0.182 H 121.7°. Best body text is #000000 at 16.59:1 contrast (WCAG AA passes).

Color values

HEX	#CEF359
RGB	rgb(206, 243, 89)
HSL	hsl(74, 87%, 65%)
HSV	hsv(74, 63%, 95%)
CMYK	cmyk(15.2%, 0%, 63.4%, 4.7%)
CIE-LAB	lab(90.75, -32.89, 67.83)
CIE-LCH	lch(90.75, 75.38, 115.86°)
OKLab	oklab(90.9% -0.0953 0.1546)
OKLCH	oklch(90.9% 0.182 121.7)
XYZ	xyz(59.3081, 77.9442, 21.3695)
Luminance	0.7794 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CEF359 #7E59F3

analogous

#F3CB59 #CEF359 #81F359

triadic

#CEF359 #59CEF3 #F359CE

tetradic

#CEF359 #59F3CB #7E59F3 #F35981

square

#CEF359 #59F3CB #7E59F3 #F35981

split-complementary

#CEF359 #5981F3 #CB59F3

monochromatic

#98C30E #BDEF20 #CEF359 #DFF792 #F0FBCB

Accessibility & contrast

On white

1.27

#CEF359 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.59

#CEF359 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #CEF359

16.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CEF359	#FFFFFF	#000000	##000000
##CEF359	1.00	1.27	16.59	16.59
#FFFFFF	1.27	1.00	21.00	21.00
#000000	16.59	21.00	1.00	1.00
##000000	16.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE545

Deuteranopia (green-blind)

#FCE564

Tritanopia (blue-blind)

#D8E7D3

Achromatopsia (no color)

#E4E4E4

Design tokens & code

CSS

--color: #cef359;
/* rgb */ color: rgb(206, 243, 89);
/* oklch */ color: oklch(90.9% 0.182 121.7);

Tailwind

colors: {
  custom: {
    50: '#e0f78f',
    500: '#cef359',
    950: '#000000',
  },
}

SCSS

$custom: #cef359;
$custom-light: #e0f78f;
$custom-dark: #000000;

JSON

{
  "hex": "#cef359",
  "rgb": {
    "r": 206,
    "g": 243,
    "b": 89
  },
  "hsl": {
    "h": 74.416,
    "s": 86.517,
    "l": 65.098
  },
  "oklch": {
    "l": 0.90902,
    "c": 0.18164,
    "h": 121.7
  },
  "luminance": 0.77944
}

Semantic roles & 50–950 ramp

primary

#CEF359

secondary

#522FC1

accent

#02E338

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#16170D

muted

#84857F

Preview Lab

Preview with #CEF359

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

Preview Lab → · Contrast checker → · Palette generator →