#CEF66F#CEF66F

#CEF66F is a very light, vivid yellow-green. Relative luminance 0.802; OKLCH L 91.8% C 0.168 H 123.5°. Best body text is #000000 at 17.04:1 contrast (WCAG AA passes).

Color values

HEX	#CEF66F
RGB	rgb(206, 246, 111)
HSL	hsl(78, 88%, 70%)
HSV	hsv(78, 55%, 96%)
CMYK	cmyk(16.3%, 0%, 54.9%, 3.5%)
CIE-LAB	lab(91.77, -32.56, 59.71)
CIE-LCH	lch(91.77, 68.02, 118.61°)
OKLab	oklab(91.78% -0.0924 0.1398)
OKLCH	oklch(91.78% 0.168 123.5)
XYZ	xyz(61.2789, 80.1807, 27.2839)
Luminance	0.8018 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CEF66F #976FF6

analogous

#F6DB6F #CEF66F #8AF66F

triadic

#CEF66F #6FCEF6 #F66FCE

tetradic

#CEF66F #6FF6DB #976FF6 #F66F8A

square

#CEF66F #6FF6DB #976FF6 #F66F8A

split-complementary

#CEF66F #6F8AF6 #DB6FF6

monochromatic

#9FDD0E #BAF235 #CEF66F #E2FAA9 #F5FDE2

Accessibility & contrast

On white

1.23

#CEF66F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.04

#CEF66F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #CEF66F

17.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CEF66F	#FFFFFF	#000000	##000000
##CEF66F	1.00	1.23	17.04	17.04
#FFFFFF	1.23	1.00	21.00	21.00
#000000	17.04	21.00	1.00	1.00
##000000	17.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE961

Deuteranopia (green-blind)

#FDE778

Tritanopia (blue-blind)

#D6EBD8

Achromatopsia (no color)

#E7E7E7

Design tokens & code

CSS

--color: #cef66f;
/* rgb */ color: rgb(206, 246, 111);
/* oklch */ color: oklch(91.8% 0.168 123.5);

Tailwind

colors: {
  custom: {
    50: '#dff99c',
    500: '#cef66f',
    950: '#000000',
  },
}

SCSS

$custom: #cef66f;
$custom-light: #dff99c;
$custom-dark: #000000;

JSON

{
  "hex": "#cef66f",
  "rgb": {
    "r": 206,
    "g": 246,
    "b": 111
  },
  "hsl": {
    "h": 77.778,
    "s": 88.235,
    "l": 70
  },
  "oklch": {
    "l": 0.91779,
    "c": 0.16762,
    "h": 123.5
  },
  "luminance": 0.80181
}

Semantic roles & 50–950 ramp

primary

#CEF66F

secondary

#6639D0

accent

#01E544

background

#FEFFFC

surface

#FCFFF5

border

#D5D7CF

text

#15170E

muted

#84857F

Preview Lab

Preview with #CEF66F

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

Preview Lab → · Contrast checker → · Palette generator →