#FEF39B#FEF39B

#FEF39B is a very light, moderate yellow. Relative luminance 0.875; OKLCH L 95.4% C 0.109 H 102.1°. Best body text is #000000 at 18.51:1 contrast (WCAG AA passes).

Color values

HEX	#FEF39B
RGB	rgb(254, 243, 155)
HSL	hsl(53, 98%, 80%)
HSV	hsv(53, 39%, 100%)
CMYK	cmyk(0%, 4.3%, 39%, 0.4%)
CIE-LAB	lab(94.97, -8.51, 43.74)
CIE-LCH	lch(94.97, 44.56, 101.01°)
OKLab	oklab(95.37% -0.0229 0.1069)
OKLCH	oklch(95.37% 0.109 102.1)
XYZ	xyz(78.8414, 87.5407, 43.7479)
Luminance	0.8754 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FEF39B #9BA6FE

analogous

#FEC19B #FEF39B #D8FE9B

triadic

#FEF39B #9BFEF3 #F39BFE

tetradic

#FEF39B #9BFEC1 #9BA6FE #FE9BD8

square

#FEF39B #9BFEC1 #9BA6FE #FE9BD8

split-complementary

#FEF39B #9BD8FE #C19BFE

monochromatic

#FDE422 #FDEC5E #FEF39B #FFFAD8 #FFFBE1

Accessibility & contrast

On white

1.13

#FEF39B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.51

#FEF39B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FEF39B

18.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FEF39B	#FFFFFF	#000000	##000000
##FEF39B	1.00	1.13	18.51	18.51
#FFFFFF	1.13	1.00	21.00	21.00
#000000	18.51	21.00	1.00	1.00
##000000	18.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFED94

Deuteranopia (green-blind)

#FFF39F

Tritanopia (blue-blind)

#FFE8DD

Achromatopsia (no color)

#F0F0F0

Design tokens & code

CSS

--color: #fef39b;
/* rgb */ color: rgb(254, 243, 155);
/* oklch */ color: oklch(95.4% 0.109 102.1);

Tailwind

colors: {
  custom: {
    50: '#fff6b9',
    500: '#fef39b',
    950: '#000000',
  },
}

SCSS

$custom: #fef39b;
$custom-light: #fff6b9;
$custom-dark: #000000;

JSON

{
  "hex": "#fef39b",
  "rgb": {
    "r": 254,
    "g": 243,
    "b": 155
  },
  "hsl": {
    "h": 53.333,
    "s": 98.02,
    "l": 80.196
  },
  "oklch": {
    "l": 0.95365,
    "c": 0.10936,
    "h": 102.1
  },
  "luminance": 0.87539
}

Semantic roles & 50–950 ramp

primary

#FEF39B

secondary

#5C6BE1

accent

#1AE600

background

#FFFFFD

surface

#FFFEF8

border

#D7D6D1

text

#181711

muted

#868581

Preview Lab

Preview with #FEF39B

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

Preview Lab → · Contrast checker → · Palette generator →