#FEF399#FEF399

#FEF399 is a very light, moderate yellow. Relative luminance 0.875; OKLCH L 95.3% C 0.112 H 102.2°. Best body text is #000000 at 18.49:1 contrast (WCAG AA passes).

Color values

HEX	#FEF399
RGB	rgb(254, 243, 153)
HSL	hsl(53, 98%, 80%)
HSV	hsv(53, 40%, 100%)
CMYK	cmyk(0%, 4.3%, 39.8%, 0.4%)
CIE-LAB	lab(94.94, -8.72, 44.69)
CIE-LCH	lch(94.94, 45.53, 101.04°)
OKLab	oklab(95.33% -0.0236 0.109)
OKLCH	oklch(95.33% 0.112 102.2)
XYZ	xyz(78.6749, 87.4741, 42.8706)
Luminance	0.8747 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FEF399 #99A4FE

analogous

#FEC099 #FEF399 #D7FE99

triadic

#FEF399 #99FEF3 #F399FE

tetradic

#FEF399 #99FEC0 #99A4FE #FE99D7

square

#FEF399 #99FEC0 #99A4FE #FE99D7

split-complementary

#FEF399 #99D7FE #C099FE

monochromatic

#FDE520 #FDEC5C #FEF399 #FFFAD6 #FFFBE1

Accessibility & contrast

On white

1.14

#FEF399 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.49

#FEF399 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FEF399

18.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FEF399	#FFFFFF	#000000	##000000
##FEF399	1.00	1.14	18.49	18.49
#FFFFFF	1.14	1.00	21.00	21.00
#000000	18.49	21.00	1.00	1.00
##000000	18.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFED92

Deuteranopia (green-blind)

#FFF39D

Tritanopia (blue-blind)

#FFE8DD

Achromatopsia (no color)

#F0F0F0

Design tokens & code

CSS

--color: #fef399;
/* rgb */ color: rgb(254, 243, 153);
/* oklch */ color: oklch(95.3% 0.112 102.2);

Tailwind

colors: {
  custom: {
    50: '#fff6b8',
    500: '#fef399',
    950: '#000000',
  },
}

SCSS

$custom: #fef399;
$custom-light: #fff6b8;
$custom-dark: #000000;

JSON

{
  "hex": "#fef399",
  "rgb": {
    "r": 254,
    "g": 243,
    "b": 153
  },
  "hsl": {
    "h": 53.465,
    "s": 98.058,
    "l": 79.804
  },
  "oklch": {
    "l": 0.95334,
    "c": 0.11154,
    "h": 102.2
  },
  "luminance": 0.87472
}

Semantic roles & 50–950 ramp

primary

#FEF399

secondary

#5B69E0

accent

#19E600

background

#FFFFFD

surface

#FFFEF8

border

#D7D6D1

text

#181711

muted

#868581

Preview Lab

Preview with #FEF399

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

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