#CCFF66#CCFF66

#CCFF66 is a very light, vivid yellow-green. Relative luminance 0.853; OKLCH L 93.5% C 0.187 H 125.5°. Best body text is #000000 at 18.06:1 contrast (WCAG AA passes).

Color values

HEX	#CCFF66
RGB	rgb(204, 255, 102)
HSL	hsl(80, 100%, 70%)
HSV	hsv(80, 60%, 100%)
CMYK	cmyk(20%, 0%, 60%, 0%)
CIE-LAB	lab(94.02, -38.13, 66.07)
CIE-LCH	lch(94.02, 76.28, 119.99°)
OKLab	oklab(93.54% -0.1086 0.1525)
OKLCH	oklch(93.54% 0.187 125.5)
XYZ	xyz(63.0603, 85.3160, 25.7132)
Luminance	0.8532 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CCFF66 #9966FF

analogous

#FFE666 #CCFF66 #80FF66

triadic

#CCFF66 #66CCFF #FF66CC

tetradic

#CCFF66 #66FFE6 #9966FF #FF6680

square

#CCFF66 #66FFE6 #9966FF #FF6680

split-complementary

#CCFF66 #6680FF #E566FF

monochromatic

#9CEB00 #B8FF29 #CCFF66 #E0FFA3 #F5FFE0

Accessibility & contrast

On white

1.16

#CCFF66 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.06

#CCFF66 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #CCFF66

18.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CCFF66	#FFFFFF	#000000	##000000
##CCFF66	1.00	1.16	18.06	18.06
#FFFFFF	1.16	1.00	21.00	21.00
#000000	18.06	21.00	1.00	1.00
##000000	18.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF054

Deuteranopia (green-blind)

#FFED71

Tritanopia (blue-blind)

#D4F4DF

Achromatopsia (no color)

#EEEEEE

Design tokens & code

CSS

--color: #ccff66;
/* rgb */ color: rgb(204, 255, 102);
/* oklch */ color: oklch(93.5% 0.187 125.5);

Tailwind

colors: {
  custom: {
    50: '#dfff97',
    500: '#ccff66',
    950: '#000000',
  },
}

SCSS

$custom: #ccff66;
$custom-light: #dfff97;
$custom-dark: #000000;

JSON

{
  "hex": "#ccff66",
  "rgb": {
    "r": 204,
    "g": 255,
    "b": 102
  },
  "hsl": {
    "h": 80,
    "s": 100,
    "l": 70
  },
  "oklch": {
    "l": 0.93537,
    "c": 0.18722,
    "h": 125.5
  },
  "luminance": 0.85317
}

Semantic roles & 50–950 ramp

primary

#CCFF66

secondary

#682FDA

accent

#00E64D

background

#FEFFFC

surface

#FCFFF5

border

#D5D7CF

text

#15180E

muted

#84867F

Preview Lab

Preview with #CCFF66

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

Preview Lab → · Contrast checker → · Palette generator →