#CEFF55#CEFF55

#CEFF55 is a very light, vivid yellow-green. Relative luminance 0.853; OKLCH L 93.5% C 0.199 H 124.1°. Best body text is #000000 at 18.06:1 contrast (WCAG AA passes).

Color values

HEX	#CEFF55
RGB	rgb(206, 255, 85)
HSL	hsl(77, 100%, 67%)
HSV	hsv(77, 67%, 100%)
CMYK	cmyk(19.2%, 0%, 66.7%, 0%)
CIE-LAB	lab(94.01, -38.57, 72.77)
CIE-LCH	lch(94.01, 82.36, 117.93°)
OKLab	oklab(93.52% -0.1114 0.1645)
OKLCH	oklch(93.52% 0.199 124.1)
XYZ	xyz(62.8538, 85.2972, 21.7452)
Luminance	0.8530 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CEFF55 #8655FF

analogous

#FFDB55 #CEFF55 #79FF55

triadic

#CEFF55 #55CEFF #FF55CE

tetradic

#CEFF55 #55FFDB #8655FF #FF5579

square

#CEFF55 #55FFDB #8655FF #FF5579

split-complementary

#CEFF55 #5579FF #DB55FF

monochromatic

#9BDA00 #BCFF18 #CEFF55 #E0FF92 #F1FFCF

Accessibility & contrast

On white

1.16

#CEFF55 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.06

#CEFF55 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #CEFF55

18.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CEFF55	#FFFFFF	#000000	##000000
##CEFF55	1.00	1.16	18.06	18.06
#FFFFFF	1.16	1.00	21.00	21.00
#000000	18.06	21.00	1.00	1.00
##000000	18.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEF3C

Deuteranopia (green-blind)

#FFED63

Tritanopia (blue-blind)

#D7F3DD

Achromatopsia (no color)

#EEEEEE

Design tokens & code

CSS

--color: #ceff55;
/* rgb */ color: rgb(206, 255, 85);
/* oklch */ color: oklch(93.5% 0.199 124.1);

Tailwind

colors: {
  custom: {
    50: '#e1ff8d',
    500: '#ceff55',
    950: '#000000',
  },
}

SCSS

$custom: #ceff55;
$custom-light: #e1ff8d;
$custom-dark: #000000;

JSON

{
  "hex": "#ceff55",
  "rgb": {
    "r": 206,
    "g": 255,
    "b": 85
  },
  "hsl": {
    "h": 77.294,
    "s": 100,
    "l": 66.667
  },
  "oklch": {
    "l": 0.93521,
    "c": 0.19865,
    "h": 124.1
  },
  "luminance": 0.85298
}

Semantic roles & 50–950 ramp

primary

#CEFF55

secondary

#5725D3

accent

#00E642

background

#FEFFFC

surface

#FCFFF4

border

#D5D7CE

text

#16180D

muted

#84867F

Preview Lab

Preview with #CEFF55

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

Preview Lab → · Contrast checker → · Palette generator →