#CCEF59#CCEF59

#CCEF59 is a very light, vivid yellow-green. Relative luminance 0.753; OKLCH L 89.9% C 0.178 H 121.3°. Best body text is #000000 at 16.06:1 contrast (WCAG AA passes).

Color values

HEX	#CCEF59
RGB	rgb(204, 239, 89)
HSL	hsl(74, 82%, 64%)
HSV	hsv(74, 63%, 94%)
CMYK	cmyk(14.6%, 0%, 62.8%, 6.3%)
CIE-LAB	lab(89.53, -31.82, 66.49)
CIE-LCH	lch(89.53, 73.71, 115.57°)
OKLab	oklab(89.88% -0.0922 0.1518)
OKLCH	oklch(89.88% 0.178 121.3)
XYZ	xyz(57.5722, 75.2917, 20.9490)
Luminance	0.7529 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CCEF59 #7C59EF

analogous

#EFC759 #CCEF59 #81EF59

triadic

#CCEF59 #59CCEF #EF59CC

tetradic

#CCEF59 #59EFC7 #7C59EF #EF5981

square

#CCEF59 #59EFC7 #7C59EF #EF5981

split-complementary

#CCEF59 #5981EF #C759EF

monochromatic

#94BC12 #BBEA21 #CCEF59 #DDF491 #EEFAC9

Accessibility & contrast

On white

1.31

#CCEF59 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.06

#CCEF59 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #CCEF59

16.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CCEF59	#FFFFFF	#000000	##000000
##CCEF59	1.00	1.31	16.06	16.06
#FFFFFF	1.31	1.00	21.00	21.00
#000000	16.06	21.00	1.00	1.00
##000000	16.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FDE246

Deuteranopia (green-blind)

#F8E164

Tritanopia (blue-blind)

#D6E3D0

Achromatopsia (no color)

#E1E1E1

Design tokens & code

CSS

--color: #ccef59;
/* rgb */ color: rgb(204, 239, 89);
/* oklch */ color: oklch(89.9% 0.178 121.3);

Tailwind

colors: {
  custom: {
    50: '#dff48e',
    500: '#ccef59',
    950: '#000000',
  },
}

SCSS

$custom: #ccef59;
$custom-light: #dff48e;
$custom-dark: #000000;

JSON

{
  "hex": "#ccef59",
  "rgb": {
    "r": 204,
    "g": 239,
    "b": 89
  },
  "hsl": {
    "h": 74,
    "s": 82.418,
    "l": 64.314
  },
  "oklch": {
    "l": 0.89882,
    "c": 0.17764,
    "h": 121.3
  },
  "luminance": 0.75292
}

Semantic roles & 50–950 ramp

primary

#CCEF59

secondary

#5232BA

accent

#07DF39

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#16170D

muted

#84857F

Preview Lab

Preview with #CCEF59

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

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