#FEFB66#FEFB66

#FEFB66 is a very light, vivid yellow. Relative luminance 0.910; OKLCH L 96.3% C 0.168 H 108.1°. Best body text is #000000 at 19.20:1 contrast (WCAG AA passes).

Color values

HEX	#FEFB66
RGB	rgb(254, 251, 102)
HSL	hsl(59, 99%, 70%)
HSV	hsv(59, 60%, 100%)
CMYK	cmyk(0%, 1.2%, 59.8%, 0.4%)
CIE-LAB	lab(96.42, -16.91, 69.68)
CIE-LCH	lch(96.42, 71.71, 103.64°)
OKLab	oklab(96.33% -0.052 0.1592)
OKLCH	oklch(96.33% 0.168 108.1)
XYZ	xyz(77.7710, 91.0268, 26.0410)
Luminance	0.9103 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FEFB66 #6669FE

analogous

#FEAF66 #FEFB66 #B5FE66

triadic

#FEFB66 #66FEFB #FB66FE

tetradic

#FEFB66 #66FEAF #6669FE #FE66B5

square

#FEFB66 #66FEAF #6669FE #FE66B5

split-complementary

#FEFB66 #66B5FE #AF66FE

monochromatic

#E8E402 #FEF929 #FEFB66 #FEFDA3 #FFFEE0

Accessibility & contrast

On white

1.09

#FEFB66 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.20

#FEFB66 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FEFB66

19.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FEFB66	#FFFFFF	#000000	##000000
##FEFB66	1.00	1.09	19.20	19.20
#FFFFFF	1.09	1.00	21.00	21.00
#000000	19.20	21.00	1.00	1.00
##000000	19.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF254

Deuteranopia (green-blind)

#FFF76F

Tritanopia (blue-blind)

#FFECDB

Achromatopsia (no color)

#F5F5F5

Design tokens & code

CSS

--color: #fefb66;
/* rgb */ color: rgb(254, 251, 102);
/* oklch */ color: oklch(96.3% 0.168 108.1);

Tailwind

colors: {
  custom: {
    50: '#fffc97',
    500: '#fefb66',
    950: '#000000',
  },
}

SCSS

$custom: #fefb66;
$custom-light: #fffc97;
$custom-dark: #000000;

JSON

{
  "hex": "#fefb66",
  "rgb": {
    "r": 254,
    "g": 251,
    "b": 102
  },
  "hsl": {
    "h": 58.816,
    "s": 98.701,
    "l": 69.804
  },
  "oklch": {
    "l": 0.96331,
    "c": 0.16751,
    "h": 108.1
  },
  "luminance": 0.91025
}

Semantic roles & 50–950 ramp

primary

#FEFB66

secondary

#2F33D9

accent

#05E600

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #FEFB66

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

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