#CCEF40#CCEF40

#CCEF40 is a very light, vivid yellow-green. Relative luminance 0.749; OKLCH L 89.7% C 0.194 H 120.5°. Best body text is #000000 at 15.99:1 contrast (WCAG AA passes).

Color values

HEX	#CCEF40
RGB	rgb(204, 239, 64)
HSL	hsl(72, 85%, 59%)
HSV	hsv(72, 73%, 94%)
CMYK	cmyk(14.6%, 0%, 73.2%, 6.3%)
CIE-LAB	lab(89.37, -33.27, 75.41)
CIE-LCH	lch(89.37, 82.42, 113.81°)
OKLab	oklab(89.7% -0.0984 0.1669)
OKLCH	oklch(89.7% 0.194 120.5)
XYZ	xyz(56.6948, 74.9407, 16.3277)
Luminance	0.7494 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CCEF40 #6340EF

analogous

#EFBB40 #CCEF40 #75EF40

triadic

#CCEF40 #40CCEF #EF40CC

tetradic

#CCEF40 #40EFBB #6340EF #EF4075

square

#CCEF40 #40EFBB #6340EF #EF4075

split-complementary

#CCEF40 #4075EF #BB40EF

monochromatic

#88A70E #B6DF13 #CCEF40 #DBF478 #EAF8B1

Accessibility & contrast

On white

1.31

#CCEF40 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.99

#CCEF40 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #CCEF40

15.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CCEF40	#FFFFFF	#000000	##000000
##CCEF40	1.00	1.31	15.99	15.99
#FFFFFF	1.31	1.00	21.00	21.00
#000000	15.99	21.00	1.00	1.00
##000000	15.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FEE11A

Deuteranopia (green-blind)

#FAE150

Tritanopia (blue-blind)

#D7E2CE

Achromatopsia (no color)

#E1E1E1

Design tokens & code

CSS

--color: #ccef40;
/* rgb */ color: rgb(204, 239, 64);
/* oklch */ color: oklch(89.7% 0.194 120.5);

Tailwind

colors: {
  custom: {
    50: '#dff481',
    500: '#ccef40',
    950: '#000000',
  },
}

SCSS

$custom: #ccef40;
$custom-light: #dff481;
$custom-dark: #000000;

JSON

{
  "hex": "#ccef40",
  "rgb": {
    "r": 204,
    "g": 239,
    "b": 64
  },
  "hsl": {
    "h": 72,
    "s": 84.541,
    "l": 59.412
  },
  "oklch": {
    "l": 0.89697,
    "c": 0.19378,
    "h": 120.5
  },
  "luminance": 0.74941
}

Semantic roles & 50–950 ramp

primary

#CCEF40

secondary

#442BA8

accent

#2DFB56

background

#FEFFFB

surface

#FCFEF2

border

#D5D6CC

text

#16170B

muted

#84857E

Preview Lab

Preview with #CCEF40

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

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