#CFEF66#CFEF66

#CFEF66 is a very light, vivid yellow-green. Relative luminance 0.760; OKLCH L 90.2% C 0.166 H 120.9°. Best body text is #000000 at 16.19:1 contrast (WCAG AA passes).

Color values

HEX	#CFEF66
RGB	rgb(207, 239, 102)
HSL	hsl(74, 81%, 67%)
HSV	hsv(74, 57%, 94%)
CMYK	cmyk(13.4%, 0%, 57.3%, 6.3%)
CIE-LAB	lab(89.84, -29.69, 61.47)
CIE-LCH	lch(89.84, 68.26, 115.78°)
OKLab	oklab(90.22% -0.0853 0.1427)
OKLCH	oklch(90.22% 0.166 120.9)
XYZ	xyz(58.9975, 75.9578, 24.1210)
Luminance	0.7596 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CFEF66 #8666EF

analogous

#EFCB66 #CFEF66 #8BEF66

triadic

#CFEF66 #66CFEF #EF66CF

tetradic

#CFEF66 #66EFCB #8666EF #EF668B

square

#CFEF66 #66EFCB #8666EF #EF668B

split-complementary

#CFEF66 #668BEF #CB66EF

monochromatic

#9DC615 #BEE92F #CFEF66 #E0F59D #F2FBD5

Accessibility & contrast

On white

1.30

#CFEF66 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.19

#CFEF66 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #CFEF66

16.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CFEF66	#FFFFFF	#000000	##000000
##CFEF66	1.00	1.30	16.19	16.19
#FFFFFF	1.30	1.00	21.00	21.00
#000000	16.19	21.00	1.00	1.00
##000000	16.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FCE257

Deuteranopia (green-blind)

#F8E26F

Tritanopia (blue-blind)

#D9E4D1

Achromatopsia (no color)

#E2E2E2

Design tokens & code

CSS

--color: #cfef66;
/* rgb */ color: rgb(207, 239, 102);
/* oklch */ color: oklch(90.2% 0.166 120.9);

Tailwind

colors: {
  custom: {
    50: '#e0f496',
    500: '#cfef66',
    950: '#000000',
  },
}

SCSS

$custom: #cfef66;
$custom-light: #e0f496;
$custom-dark: #000000;

JSON

{
  "hex": "#cfef66",
  "rgb": {
    "r": 207,
    "g": 239,
    "b": 102
  },
  "hsl": {
    "h": 74.015,
    "s": 81.065,
    "l": 66.863
  },
  "oklch": {
    "l": 0.90218,
    "c": 0.1662,
    "h": 120.9
  },
  "luminance": 0.75958
}

Semantic roles & 50–950 ramp

primary

#CFEF66

secondary

#5736C3

accent

#08DD3A

background

#FEFFFC

surface

#FCFEF5

border

#D5D6CF

text

#16170E

muted

#84857F

Preview Lab

Preview with #CFEF66

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

Preview Lab → · Contrast checker → · Palette generator →