#CCF251#CCF251

#CCF251 is a very light, vivid yellow-green. Relative luminance 0.769; OKLCH L 90.5% C 0.187 H 121.7°. Best body text is #000000 at 16.39:1 contrast (WCAG AA passes).

Color values

HEX	#CCF251
RGB	rgb(204, 242, 81)
HSL	hsl(74, 86%, 63%)
HSV	hsv(74, 67%, 95%)
CMYK	cmyk(15.7%, 0%, 66.5%, 5.1%)
CIE-LAB	lab(90.29, -33.72, 70.39)
CIE-LCH	lch(90.29, 78.05, 115.59°)
OKLab	oklab(90.48% -0.0982 0.159)
OKLCH	oklch(90.48% 0.187 121.7)
XYZ	xyz(58.1399, 76.9357, 19.5701)
Luminance	0.7694 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CCF251 #7751F2

analogous

#F2C751 #CCF251 #7CF251

triadic

#CCF251 #51CCF2 #F251CC

tetradic

#CCF251 #51F2C7 #7751F2 #F2517C

square

#CCF251 #51F2C7 #7751F2 #F2517C

split-complementary

#CCF251 #517CF2 #C751F2

monochromatic

#92BB0E #BBEE18 #CCF251 #DDF68A #EDFBC3

Accessibility & contrast

On white

1.28

#CCF251 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.39

#CCF251 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #CCF251

16.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CCF251	#FFFFFF	#000000	##000000
##CCF251	1.00	1.28	16.39	16.39
#FFFFFF	1.28	1.00	21.00	21.00
#000000	16.39	21.00	1.00	1.00
##000000	16.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE439

Deuteranopia (green-blind)

#FBE35E

Tritanopia (blue-blind)

#D6E6D2

Achromatopsia (no color)

#E3E3E3

Design tokens & code

CSS

--color: #ccf251;
/* rgb */ color: rgb(204, 242, 81);
/* oklch */ color: oklch(90.5% 0.187 121.7);

Tailwind

colors: {
  custom: {
    50: '#dff68a',
    500: '#ccf251',
    950: '#000000',
  },
}

SCSS

$custom: #ccf251;
$custom-light: #dff68a;
$custom-dark: #000000;

JSON

{
  "hex": "#ccf251",
  "rgb": {
    "r": 204,
    "g": 242,
    "b": 81
  },
  "hsl": {
    "h": 74.161,
    "s": 86.096,
    "l": 63.333
  },
  "oklch": {
    "l": 0.90477,
    "c": 0.18686,
    "h": 121.7
  },
  "luminance": 0.76936
}

Semantic roles & 50–950 ramp

primary

#CCF251

secondary

#4F2EB9

accent

#03E338

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#16170C

muted

#84857F

Preview Lab

Preview with #CCF251

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

Preview Lab → · Contrast checker → · Palette generator →