#FEF99B#FEF99B

#FEF99B is a very light, moderate yellow. Relative luminance 0.912; OKLCH L 96.6% C 0.116 H 105.7°. Best body text is #000000 at 19.24:1 contrast (WCAG AA passes).

Color values

HEX	#FEF99B
RGB	rgb(254, 249, 155)
HSL	hsl(57, 98%, 80%)
HSV	hsv(57, 39%, 100%)
CMYK	cmyk(0%, 2%, 39%, 0.4%)
CIE-LAB	lab(96.49, -11.47, 45.68)
CIE-LCH	lch(96.49, 47.10, 104.10°)
OKLab	oklab(96.57% -0.0314 0.1114)
OKLCH	oklch(96.57% 0.116 105.7)
XYZ	xyz(80.6664, 91.1906, 44.3562)
Luminance	0.9119 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FEF99B #9BA0FE

analogous

#FEC89B #FEF99B #D1FE9B

triadic

#FEF99B #9BFEF9 #F99BFE

tetradic

#FEF99B #9BFEC8 #9BA0FE #FE9BD1

square

#FEF99B #9BFEC8 #9BA0FE #FE9BD1

split-complementary

#FEF99B #9BD1FE #C89BFE

monochromatic

#FDF222 #FDF55E #FEF99B #FFFDD8 #FFFDE1

Accessibility & contrast

On white

1.09

#FEF99B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.24

#FEF99B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FEF99B

19.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FEF99B	#FFFFFF	#000000	##000000
##FEF99B	1.00	1.09	19.24	19.24
#FFFFFF	1.09	1.00	21.00	21.00
#000000	19.24	21.00	1.00	1.00
##000000	19.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF294

Deuteranopia (green-blind)

#FFF79F

Tritanopia (blue-blind)

#FFEEE2

Achromatopsia (no color)

#F5F5F5

Design tokens & code

CSS

--color: #fef99b;
/* rgb */ color: rgb(254, 249, 155);
/* oklch */ color: oklch(96.6% 0.116 105.7);

Tailwind

colors: {
  custom: {
    50: '#fffbb9',
    500: '#fef99b',
    950: '#000000',
  },
}

SCSS

$custom: #fef99b;
$custom-light: #fffbb9;
$custom-dark: #000000;

JSON

{
  "hex": "#fef99b",
  "rgb": {
    "r": 254,
    "g": 249,
    "b": 155
  },
  "hsl": {
    "h": 56.97,
    "s": 98.02,
    "l": 80.196
  },
  "oklch": {
    "l": 0.96572,
    "c": 0.1157,
    "h": 105.7
  },
  "luminance": 0.91189
}

Semantic roles & 50–950 ramp

primary

#FEF99B

secondary

#5C63E1

accent

#0CE600

background

#FFFFFD

surface

#FFFFF8

border

#D7D7D1

text

#181712

muted

#868582

Preview Lab

Preview with #FEF99B

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

Preview Lab → · Contrast checker → · Palette generator →