#CEFD51#CEFD51

#CEFD51 is a very light, vivid yellow-green. Relative luminance 0.840; OKLCH L 93.0% C 0.199 H 123.6°. Best body text is #000000 at 17.79:1 contrast (WCAG AA passes).

Color values

HEX	#CEFD51
RGB	rgb(206, 253, 81)
HSL	hsl(76, 98%, 65%)
HSV	hsv(76, 68%, 99%)
CMYK	cmyk(18.6%, 0%, 68%, 0.8%)
CIE-LAB	lab(93.44, -37.92, 73.64)
CIE-LCH	lch(93.44, 82.84, 117.25°)
OKLab	oklab(93.05% -0.1099 0.1658)
OKLCH	oklch(93.05% 0.199 123.6)
XYZ	xyz(62.0647, 83.9661, 20.7203)
Luminance	0.8397 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CEFD51 #8051FD

analogous

#FDD651 #CEFD51 #78FD51

triadic

#CEFD51 #51CEFD #FD51CE

tetradic

#CEFD51 #51FDD6 #8051FD #FD5178

square

#CEFD51 #51FDD6 #8051FD #FD5178

split-complementary

#CEFD51 #5178FD #D651FD

monochromatic

#99D102 #BDFC14 #CEFD51 #DFFE8E #F0FECA

Accessibility & contrast

On white

1.18

#CEFD51 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.79

#CEFD51 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #CEFD51

17.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CEFD51	#FFFFFF	#000000	##000000
##CEFD51	1.00	1.18	17.79	17.79
#FFFFFF	1.18	1.00	21.00	21.00
#000000	17.79	21.00	1.00	1.00
##000000	17.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEE36

Deuteranopia (green-blind)

#FFEC5F

Tritanopia (blue-blind)

#D8F1DB

Achromatopsia (no color)

#ECECEC

Design tokens & code

CSS

--color: #cefd51;
/* rgb */ color: rgb(206, 253, 81);
/* oklch */ color: oklch(93.0% 0.199 123.6);

Tailwind

colors: {
  custom: {
    50: '#e1fe8b',
    500: '#cefd51',
    950: '#000000',
  },
}

SCSS

$custom: #cefd51;
$custom-light: #e1fe8b;
$custom-dark: #000000;

JSON

{
  "hex": "#cefd51",
  "rgb": {
    "r": 206,
    "g": 253,
    "b": 81
  },
  "hsl": {
    "h": 76.395,
    "s": 97.727,
    "l": 65.49
  },
  "oklch": {
    "l": 0.93047,
    "c": 0.1989,
    "h": 123.6
  },
  "luminance": 0.83966
}

Semantic roles & 50–950 ramp

primary

#CEFD51

secondary

#5426CC

accent

#00E63F

background

#FEFFFC

surface

#FCFFF4

border

#D5D7CE

text

#16170D

muted

#84857F

Preview Lab

Preview with #CEFD51

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

Preview Lab → · Contrast checker → · Palette generator →