#CEF357#CEF357

#CEF357 is a very light, vivid yellow-green. Relative luminance 0.779; OKLCH L 90.9% C 0.183 H 121.6°. Best body text is #000000 at 16.58:1 contrast (WCAG AA passes).

Color values

HEX	#CEF357
RGB	rgb(206, 243, 87)
HSL	hsl(74, 87%, 65%)
HSV	hsv(74, 64%, 95%)
CMYK	cmyk(15.2%, 0%, 64.2%, 4.7%)
CIE-LAB	lab(90.74, -33.02, 68.60)
CIE-LCH	lch(90.74, 76.14, 115.70°)
OKLab	oklab(90.89% -0.0959 0.156)
OKLCH	oklch(90.89% 0.183 121.6)
XYZ	xyz(59.2252, 77.9111, 20.9332)
Luminance	0.7791 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CEF357 #7C57F3

analogous

#F3CA57 #CEF357 #80F357

triadic

#CEF357 #57CEF3 #F357CE

tetradic

#CEF357 #57F3CA #7C57F3 #F35780

square

#CEF357 #57F3CA #7C57F3 #F35780

split-complementary

#CEF357 #5780F3 #CA57F3

monochromatic

#97C20E #BDEF1E #CEF357 #DFF790 #EFFBC9

Accessibility & contrast

On white

1.27

#CEF357 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.58

#CEF357 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #CEF357

16.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CEF357	#FFFFFF	#000000	##000000
##CEF357	1.00	1.27	16.58	16.58
#FFFFFF	1.27	1.00	21.00	21.00
#000000	16.58	21.00	1.00	1.00
##000000	16.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE542

Deuteranopia (green-blind)

#FCE563

Tritanopia (blue-blind)

#D8E7D3

Achromatopsia (no color)

#E4E4E4

Design tokens & code

CSS

--color: #cef357;
/* rgb */ color: rgb(206, 243, 87);
/* oklch */ color: oklch(90.9% 0.183 121.6);

Tailwind

colors: {
  custom: {
    50: '#e0f78d',
    500: '#cef357',
    950: '#000000',
  },
}

SCSS

$custom: #cef357;
$custom-light: #e0f78d;
$custom-dark: #000000;

JSON

{
  "hex": "#cef357",
  "rgb": {
    "r": 206,
    "g": 243,
    "b": 87
  },
  "hsl": {
    "h": 74.231,
    "s": 86.667,
    "l": 64.706
  },
  "oklch": {
    "l": 0.90885,
    "c": 0.18309,
    "h": 121.6
  },
  "luminance": 0.77911
}

Semantic roles & 50–950 ramp

primary

#CEF357

secondary

#512FBF

accent

#02E338

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#16170D

muted

#84857F

Preview Lab

Preview with #CEF357

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

Preview Lab → · Contrast checker → · Palette generator →