#CEF051#CEF051

#CEF051 is a very light, vivid yellow-green. Relative luminance 0.760; OKLCH L 90.2% C 0.184 H 120.6°. Best body text is #000000 at 16.21:1 contrast (WCAG AA passes).

Color values

HEX	#CEF051
RGB	rgb(206, 240, 81)
HSL	hsl(73, 84%, 63%)
HSV	hsv(73, 66%, 94%)
CMYK	cmyk(14.2%, 0%, 66.3%, 5.9%)
CIE-LAB	lab(89.88, -32.02, 70.01)
CIE-LCH	lch(89.88, 76.98, 114.58°)
OKLab	oklab(90.18% -0.0936 0.1581)
OKLCH	oklch(90.18% 0.184 120.6)
XYZ	xyz(58.0998, 76.0362, 19.3987)
Luminance	0.7604 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CEF051 #7351F0

analogous

#F0C251 #CEF051 #7EF051

triadic

#CEF051 #51CEF0 #F051CE

tetradic

#CEF051 #51F0C2 #7351F0 #F0517E

square

#CEF051 #51F0C2 #7351F0 #F0517E

split-complementary

#CEF051 #517EF0 #C251F0

monochromatic

#93B710 #BEEB19 #CEF051 #DEF589 #EEFAC2

Accessibility & contrast

On white

1.30

#CEF051 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.21

#CEF051 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #CEF051

16.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CEF051	#FFFFFF	#000000	##000000
##CEF051	1.00	1.30	16.21	16.21
#FFFFFF	1.30	1.00	21.00	21.00
#000000	16.21	21.00	1.00	1.00
##000000	16.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FEE23A

Deuteranopia (green-blind)

#FAE25D

Tritanopia (blue-blind)

#D9E4D0

Achromatopsia (no color)

#E2E2E2

Design tokens & code

CSS

--color: #cef051;
/* rgb */ color: rgb(206, 240, 81);
/* oklch */ color: oklch(90.2% 0.184 120.6);

Tailwind

colors: {
  custom: {
    50: '#e0f58a',
    500: '#cef051',
    950: '#000000',
  },
}

SCSS

$custom: #cef051;
$custom-light: #e0f58a;
$custom-dark: #000000;

JSON

{
  "hex": "#cef051",
  "rgb": {
    "r": 206,
    "g": 240,
    "b": 81
  },
  "hsl": {
    "h": 72.83,
    "s": 84.127,
    "l": 62.941
  },
  "oklch": {
    "l": 0.90176,
    "c": 0.18375,
    "h": 120.6
  },
  "luminance": 0.76036
}

Semantic roles & 50–950 ramp

primary

#CEF051

secondary

#4C2FB6

accent

#05E134

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#16170C

muted

#84857F

Preview Lab

Preview with #CEF051

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

Preview Lab → · Contrast checker → · Palette generator →