#CCEF63#CCEF63

#CCEF63 is a very light, vivid yellow-green. Relative luminance 0.755; OKLCH L 90.0% C 0.170 H 121.7°. Best body text is #000000 at 16.09:1 contrast (WCAG AA passes).

Color values

HEX	#CCEF63
RGB	rgb(204, 239, 99)
HSL	hsl(75, 81%, 66%)
HSV	hsv(75, 59%, 94%)
CMYK	cmyk(14.6%, 0%, 58.6%, 6.3%)
CIE-LAB	lab(89.61, -31.08, 62.44)
CIE-LCH	lch(89.61, 69.75, 116.46°)
OKLab	oklab(89.98% -0.0893 0.1445)
OKLCH	oklch(89.98% 0.17 121.7)
XYZ	xyz(58.0210, 75.4712, 23.3127)
Luminance	0.7547 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CCEF63 #8663EF

analogous

#EFCC63 #CCEF63 #86EF63

triadic

#CCEF63 #63CCEF #EF63CC

tetradic

#CCEF63 #63EFCC #8663EF #EF6386

square

#CCEF63 #63EFCC #8663EF #EF6386

split-complementary

#CCEF63 #6386EF #CC63EF

monochromatic

#98C414 #BAE92B #CCEF63 #DEF59B #F0FAD2

Accessibility & contrast

On white

1.30

#CCEF63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.09

#CCEF63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #CCEF63

16.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CCEF63	#FFFFFF	#000000	##000000
##CCEF63	1.00	1.30	16.09	16.09
#FFFFFF	1.30	1.00	21.00	21.00
#000000	16.09	21.00	1.00	1.00
##000000	16.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FCE253

Deuteranopia (green-blind)

#F8E16C

Tritanopia (blue-blind)

#D6E4D1

Achromatopsia (no color)

#E1E1E1

Design tokens & code

CSS

--color: #ccef63;
/* rgb */ color: rgb(204, 239, 99);
/* oklch */ color: oklch(90.0% 0.170 121.7);

Tailwind

colors: {
  custom: {
    50: '#def494',
    500: '#ccef63',
    950: '#000000',
  },
}

SCSS

$custom: #ccef63;
$custom-light: #def494;
$custom-dark: #000000;

JSON

{
  "hex": "#ccef63",
  "rgb": {
    "r": 204,
    "g": 239,
    "b": 99
  },
  "hsl": {
    "h": 75,
    "s": 81.395,
    "l": 66.275
  },
  "oklch": {
    "l": 0.89976,
    "c": 0.16981,
    "h": 121.7
  },
  "luminance": 0.75471
}

Semantic roles & 50–950 ramp

primary

#CCEF63

secondary

#5835C1

accent

#08DE3D

background

#FEFFFC

surface

#FCFEF5

border

#D5D6CF

text

#15170E

muted

#84857F

Preview Lab

Preview with #CCEF63

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

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