#CEFF58#CEFF58

#CEFF58 is a very light, vivid yellow-green. Relative luminance 0.853; OKLCH L 93.5% C 0.197 H 124.2°. Best body text is #000000 at 18.07:1 contrast (WCAG AA passes).

Color values

HEX	#CEFF58
RGB	rgb(206, 255, 88)
HSL	hsl(78, 100%, 67%)
HSV	hsv(78, 65%, 100%)
CMYK	cmyk(19.2%, 0%, 65.5%, 0%)
CIE-LAB	lab(94.03, -38.38, 71.67)
CIE-LCH	lch(94.03, 81.30, 118.17°)
OKLab	oklab(93.54% -0.1106 0.1626)
OKLCH	oklch(93.54% 0.197 124.2)
XYZ	xyz(62.9755, 85.3459, 22.3863)
Luminance	0.8535 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CEFF58 #8958FF

analogous

#FFDD58 #CEFF58 #7AFF58

triadic

#CEFF58 #58CEFF #FF58CE

tetradic

#CEFF58 #58FFDD #8958FF #FF587A

square

#CEFF58 #58FFDD #8958FF #FF587A

split-complementary

#CEFF58 #587AFF #DD58FF

monochromatic

#9CDD00 #BCFF1B #CEFF58 #E0FF95 #F2FFD2

Accessibility & contrast

On white

1.16

#CEFF58 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.07

#CEFF58 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #CEFF58

18.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CEFF58	#FFFFFF	#000000	##000000
##CEFF58	1.00	1.16	18.07	18.07
#FFFFFF	1.16	1.00	21.00	21.00
#000000	18.07	21.00	1.00	1.00
##000000	18.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEF41

Deuteranopia (green-blind)

#FFED65

Tritanopia (blue-blind)

#D7F3DD

Achromatopsia (no color)

#EEEEEE

Design tokens & code

CSS

--color: #ceff58;
/* rgb */ color: rgb(206, 255, 88);
/* oklch */ color: oklch(93.5% 0.197 124.2);

Tailwind

colors: {
  custom: {
    50: '#e0ff8f',
    500: '#ceff58',
    950: '#000000',
  },
}

SCSS

$custom: #ceff58;
$custom-light: #e0ff8f;
$custom-dark: #000000;

JSON

{
  "hex": "#ceff58",
  "rgb": {
    "r": 206,
    "g": 255,
    "b": 88
  },
  "hsl": {
    "h": 77.605,
    "s": 100,
    "l": 67.255
  },
  "oklch": {
    "l": 0.93544,
    "c": 0.19664,
    "h": 124.2
  },
  "luminance": 0.85346
}

Semantic roles & 50–950 ramp

primary

#CEFF58

secondary

#5926D6

accent

#00E643

background

#FEFFFC

surface

#FCFFF4

border

#D5D7CE

text

#16180D

muted

#84867F

Preview Lab

Preview with #CEFF58

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

Preview Lab → · Contrast checker → · Palette generator →