#CEFC66#CEFC66

#CEFC66 is a very light, vivid yellow-green. Relative luminance 0.837; OKLCH L 93.0% C 0.183 H 124.3°. Best body text is #000000 at 17.74:1 contrast (WCAG AA passes).

Color values

HEX	#CEFC66
RGB	rgb(206, 252, 102)
HSL	hsl(78, 96%, 69%)
HSV	hsv(78, 60%, 99%)
CMYK	cmyk(18.3%, 0%, 59.5%, 1.2%)
CIE-LAB	lab(93.32, -36.04, 65.33)
CIE-LCH	lch(93.32, 74.61, 118.88°)
OKLab	oklab(93.01% -0.1029 0.1509)
OKLCH	oklch(93.01% 0.183 124.3)
XYZ	xyz(62.6626, 83.7014, 25.4225)
Luminance	0.8370 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CEFC66 #9466FC

analogous

#FCDF66 #CEFC66 #83FC66

triadic

#CEFC66 #66CEFC #FC66CE

tetradic

#CEFC66 #66FCDF #9466FC #FC6683

square

#CEFC66 #66FCDF #9466FC #FC6683

split-complementary

#CEFC66 #6683FC #DF66FC

monochromatic

#9FE304 #BBFB2A #CEFC66 #E1FDA2 #F4FEDE

Accessibility & contrast

On white

1.18

#CEFC66 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.74

#CEFC66 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #CEFC66

17.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CEFC66	#FFFFFF	#000000	##000000
##CEFC66	1.00	1.18	17.74	17.74
#FFFFFF	1.18	1.00	21.00	21.00
#000000	17.74	21.00	1.00	1.00
##000000	17.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFED55

Deuteranopia (green-blind)

#FFEB70

Tritanopia (blue-blind)

#D7F1DC

Achromatopsia (no color)

#ECECEC

Design tokens & code

CSS

--color: #cefc66;
/* rgb */ color: rgb(206, 252, 102);
/* oklch */ color: oklch(93.0% 0.183 124.3);

Tailwind

colors: {
  custom: {
    50: '#e0fd97',
    500: '#cefc66',
    950: '#000000',
  },
}

SCSS

$custom: #cefc66;
$custom-light: #e0fd97;
$custom-dark: #000000;

JSON

{
  "hex": "#cefc66",
  "rgb": {
    "r": 206,
    "g": 252,
    "b": 102
  },
  "hsl": {
    "h": 78.4,
    "s": 96.154,
    "l": 69.412
  },
  "oklch": {
    "l": 0.93005,
    "c": 0.18266,
    "h": 124.3
  },
  "luminance": 0.83702
}

Semantic roles & 50–950 ramp

primary

#CEFC66

secondary

#6330D6

accent

#00E646

background

#FEFFFC

surface

#FCFFF5

border

#D5D7CF

text

#16170E

muted

#84857F

Preview Lab

Preview with #CEFC66

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

Preview Lab → · Contrast checker → · Palette generator →