#CCEF58#CCEF58

#CCEF58 is a very light, vivid yellow-green. Relative luminance 0.753; OKLCH L 89.9% C 0.178 H 121.2°. Best body text is #000000 at 16.06:1 contrast (WCAG AA passes).

Color values

HEX	#CCEF58
RGB	rgb(204, 239, 88)
HSL	hsl(74, 83%, 64%)
HSV	hsv(74, 63%, 94%)
CMYK	cmyk(14.6%, 0%, 63.2%, 6.3%)
CIE-LAB	lab(89.52, -31.88, 66.88)
CIE-LCH	lch(89.52, 74.09, 115.49°)
OKLab	oklab(89.87% -0.0925 0.1525)
OKLCH	oklch(89.87% 0.178 121.2)
XYZ	xyz(57.5305, 75.2750, 20.7293)
Luminance	0.7528 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CCEF58 #7B58EF

analogous

#EFC658 #CCEF58 #81EF58

triadic

#CCEF58 #58CCEF #EF58CC

tetradic

#CCEF58 #58EFC6 #7B58EF #EF5881

square

#CCEF58 #58EFC6 #7B58EF #EF5881

split-complementary

#CCEF58 #5881EF #C658EF

monochromatic

#94BB12 #BBEA20 #CCEF58 #DDF490 #EEFAC8

Accessibility & contrast

On white

1.31

#CCEF58 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.06

#CCEF58 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #CCEF58

16.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CCEF58	#FFFFFF	#000000	##000000
##CCEF58	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)

#FDE245

Deuteranopia (green-blind)

#F8E163

Tritanopia (blue-blind)

#D6E3D0

Achromatopsia (no color)

#E1E1E1

Design tokens & code

CSS

--color: #ccef58;
/* rgb */ color: rgb(204, 239, 88);
/* oklch */ color: oklch(89.9% 0.178 121.2);

Tailwind

colors: {
  custom: {
    50: '#dff48e',
    500: '#ccef58',
    950: '#000000',
  },
}

SCSS

$custom: #ccef58;
$custom-light: #dff48e;
$custom-dark: #000000;

JSON

{
  "hex": "#ccef58",
  "rgb": {
    "r": 204,
    "g": 239,
    "b": 88
  },
  "hsl": {
    "h": 73.907,
    "s": 82.514,
    "l": 64.118
  },
  "oklch": {
    "l": 0.89873,
    "c": 0.17838,
    "h": 121.2
  },
  "luminance": 0.75275
}

Semantic roles & 50–950 ramp

primary

#CCEF58

secondary

#5132BA

accent

#07DF39

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#16170D

muted

#84857F

Preview Lab

Preview with #CCEF58

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

Preview Lab → · Contrast checker → · Palette generator →