#CFEB28#CFEB28

#CFEB28 is a very light, vivid yellow. Relative luminance 0.728; OKLCH L 88.9% C 0.199 H 118.3°. Best body text is #000000 at 15.57:1 contrast (WCAG AA passes).

Color values

HEX	#CFEB28
RGB	rgb(207, 235, 40)
HSL	hsl(69, 83%, 54%)
HSV	hsv(69, 83%, 92%)
CMYK	cmyk(11.9%, 0%, 83%, 7.8%)
CIE-LAB	lab(88.37, -31.14, 81.15)
CIE-LCH	lch(88.37, 86.92, 110.99°)
OKLab	oklab(88.91% -0.0944 0.1752)
OKLCH	oklch(88.91% 0.199 118.3)
XYZ	xyz(55.8249, 72.8358, 13.1249)
Luminance	0.7284 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CFEB28 #4428EB

analogous

#EBA528 #CFEB28 #6EEB28

triadic

#CFEB28 #28CFEB #EB28CF

tetradic

#CFEB28 #28EBA5 #4428EB #EB286E

square

#CFEB28 #28EBA5 #4428EB #EB286E

split-complementary

#CFEB28 #286EEB #A528EB

monochromatic

#798C0D #AAC412 #CFEB28 #DCF060 #E8F598

Accessibility & contrast

On white

1.35

#CFEB28 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.57

#CFEB28 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #CFEB28

15.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CFEB28	#FFFFFF	#000000	##000000
##CFEB28	1.00	1.35	15.57	15.57
#FFFFFF	1.35	1.00	21.00	21.00
#000000	15.57	21.00	1.00	1.00
##000000	15.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FBDE00

Deuteranopia (green-blind)

#F8DF3E

Tritanopia (blue-blind)

#DCDEC9

Achromatopsia (no color)

#DEDEDE

Design tokens & code

CSS

--color: #cfeb28;
/* rgb */ color: rgb(207, 235, 40);
/* oklch */ color: oklch(88.9% 0.199 118.3);

Tailwind

colors: {
  custom: {
    50: '#e2f177',
    500: '#cfeb28',
    950: '#000000',
  },
}

SCSS

$custom: #cfeb28;
$custom-light: #e2f177;
$custom-dark: #000000;

JSON

{
  "hex": "#cfeb28",
  "rgb": {
    "r": 207,
    "g": 235,
    "b": 40
  },
  "hsl": {
    "h": 68.615,
    "s": 82.979,
    "l": 53.922
  },
  "oklch": {
    "l": 0.88913,
    "c": 0.19901,
    "h": 118.3
  },
  "luminance": 0.72835
}

Semantic roles & 50–950 ramp

primary

#CFEB28

secondary

#362691

accent

#2EF94C

background

#FFFFFB

surface

#FEFEF2

border

#D6D6CC

text

#16160A

muted

#85857D

Preview Lab

Preview with #CFEB28

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

Preview Lab → · Contrast checker → · Palette generator →