#FFEF8B#FFEF8B

#FFEF8B is a very light, vivid yellow. Relative luminance 0.849; OKLCH L 94.4% C 0.122 H 100.4°. Best body text is #000000 at 17.97:1 contrast (WCAG AA passes).

Color values

HEX	#FFEF8B
RGB	rgb(255, 239, 139)
HSL	hsl(52, 100%, 77%)
HSV	hsv(52, 45%, 100%)
CMYK	cmyk(0%, 6.3%, 45.5%, 0%)
CIE-LAB	lab(93.82, -7.73, 50.09)
CIE-LCH	lch(93.82, 50.68, 98.77°)
OKLab	oklab(94.41% -0.022 0.1204)
OKLCH	oklch(94.41% 0.122 100.4)
XYZ	xyz(76.7687, 84.8596, 36.7568)
Luminance	0.8486 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FFEF8B #8B9BFF

analogous

#FFB58B #FFEF8B #D5FF8B

triadic

#FFEF8B #8BFFEF #EF8BFF

tetradic

#FFEF8B #8BFFB5 #8B9BFF #FF8BD5

square

#FFEF8B #8BFFB5 #8B9BFF #FF8BD5

split-complementary

#FFEF8B #8BD5FF #B58BFF

monochromatic

#FFDE11 #FFE74E #FFEF8B #FFF7C8 #FFFBE0

Accessibility & contrast

On white

1.17

#FFEF8B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.97

#FFEF8B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FFEF8B

17.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FFEF8B	#FFFFFF	#000000	##000000
##FFEF8B	1.00	1.17	17.97	17.97
#FFFFFF	1.17	1.00	21.00	21.00
#000000	17.97	21.00	1.00	1.00
##000000	17.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE983

Deuteranopia (green-blind)

#FFF08F

Tritanopia (blue-blind)

#FFE2D7

Achromatopsia (no color)

#EDEDED

Design tokens & code

CSS

--color: #ffef8b;
/* rgb */ color: rgb(255, 239, 139);
/* oklch */ color: oklch(94.4% 0.122 100.4);

Tailwind

colors: {
  custom: {
    50: '#fff4ae',
    500: '#ffef8b',
    950: '#000000',
  },
}

SCSS

$custom: #ffef8b;
$custom-light: #fff4ae;
$custom-dark: #000000;

JSON

{
  "hex": "#ffef8b",
  "rgb": {
    "r": 255,
    "g": 239,
    "b": 139
  },
  "hsl": {
    "h": 51.724,
    "s": 100,
    "l": 77.255
  },
  "oklch": {
    "l": 0.94408,
    "c": 0.12237,
    "h": 100.4
  },
  "luminance": 0.84857
}

Semantic roles & 50–950 ramp

primary

#FFEF8B

secondary

#4E62E0

accent

#20E600

background

#FFFFFD

surface

#FFFEF7

border

#D7D6D0

text

#181710

muted

#868581

Preview Lab

Preview with #FFEF8B

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

Preview Lab → · Contrast checker → · Palette generator →