#CEF556#CEF556

#CEF556 is a very light, vivid yellow-green. Relative luminance 0.791; OKLCH L 91.3% C 0.186 H 122.0°. Best body text is #000000 at 16.82:1 contrast (WCAG AA passes).

Color values

HEX	#CEF556
RGB	rgb(206, 245, 86)
HSL	hsl(75, 89%, 65%)
HSV	hsv(75, 65%, 96%)
CMYK	cmyk(15.9%, 0%, 64.9%, 3.9%)
CIE-LAB	lab(91.28, -34.00, 69.56)
CIE-LCH	lch(91.28, 77.42, 116.05°)
OKLab	oklab(91.32% -0.0987 0.1579)
OKLCH	oklch(91.32% 0.186 122)
XYZ	xyz(59.7864, 79.0984, 20.9201)
Luminance	0.7910 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CEF556 #7D56F5

analogous

#F5CD56 #CEF556 #7FF556

triadic

#CEF556 #56CEF5 #F556CE

tetradic

#CEF556 #56F5CD #7D56F5 #F5567F

square

#CEF556 #56F5CD #7D56F5 #F5567F

split-complementary

#CEF556 #567FF5 #CD56F5

monochromatic

#97C50C #BDF21C #CEF556 #DFF890 #F0FCCA

Accessibility & contrast

On white

1.25

#CEF556 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.82

#CEF556 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #CEF556

16.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CEF556	#FFFFFF	#000000	##000000
##CEF556	1.00	1.25	16.82	16.82
#FFFFFF	1.25	1.00	21.00	21.00
#000000	16.82	21.00	1.00	1.00
##000000	16.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE740

Deuteranopia (green-blind)

#FEE662

Tritanopia (blue-blind)

#D8E9D5

Achromatopsia (no color)

#E6E6E6

Design tokens & code

CSS

--color: #cef556;
/* rgb */ color: rgb(206, 245, 86);
/* oklch */ color: oklch(91.3% 0.186 122.0);

Tailwind

colors: {
  custom: {
    50: '#e0f88d',
    500: '#cef556',
    950: '#000000',
  },
}

SCSS

$custom: #cef556;
$custom-light: #e0f88d;
$custom-dark: #000000;

JSON

{
  "hex": "#cef556",
  "rgb": {
    "r": 206,
    "g": 245,
    "b": 86
  },
  "hsl": {
    "h": 74.717,
    "s": 88.827,
    "l": 64.902
  },
  "oklch": {
    "l": 0.91317,
    "c": 0.18616,
    "h": 122
  },
  "luminance": 0.79099
}

Semantic roles & 50–950 ramp

primary

#CEF556

secondary

#522DC2

accent

#00E538

background

#FEFFFC

surface

#FCFFF4

border

#D5D7CE

text

#16170D

muted

#84857F

Preview Lab

Preview with #CEF556

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

Preview Lab → · Contrast checker → · Palette generator →