#FFEF9B#FFEF9B

#FFEF9B is a very light, moderate yellow. Relative luminance 0.854; OKLCH L 94.7% C 0.105 H 98.8°. Best body text is #000000 at 18.07:1 contrast (WCAG AA passes).

Color values

HEX	#FFEF9B
RGB	rgb(255, 239, 155)
HSL	hsl(50, 100%, 80%)
HSV	hsv(50, 39%, 100%)
CMYK	cmyk(0%, 6.3%, 39.2%, 0%)
CIE-LAB	lab(94.04, -6.14, 42.57)
CIE-LCH	lch(94.04, 43.01, 98.21°)
OKLab	oklab(94.65% -0.0161 0.1043)
OKLCH	oklch(94.65% 0.105 98.8)
XYZ	xyz(78.0244, 85.3619, 43.3704)
Luminance	0.8536 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FFEF9B #9BABFF

analogous

#FFBD9B #FFEF9B #DDFF9B

triadic

#FFEF9B #9BFFEF #EF9BFF

tetradic

#FFEF9B #9BFFBD #9BABFF #FF9BDD

square

#FFEF9B #9BFFBD #9BABFF #FF9BDD

split-complementary

#FFEF9B #9BDDFF #BD9BFF

monochromatic

#FFDB21 #FFE55E #FFEF9B #FFF9D8 #FFFAE0

Accessibility & contrast

On white

1.16

#FFEF9B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.07

#FFEF9B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FFEF9B

18.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FFEF9B	#FFFFFF	#000000	##000000
##FFEF9B	1.00	1.16	18.07	18.07
#FFFFFF	1.16	1.00	21.00	21.00
#000000	18.07	21.00	1.00	1.00
##000000	18.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FEEA95

Deuteranopia (green-blind)

#FFF19E

Tritanopia (blue-blind)

#FFE4DA

Achromatopsia (no color)

#EEEEEE

Design tokens & code

CSS

--color: #ffef9b;
/* rgb */ color: rgb(255, 239, 155);
/* oklch */ color: oklch(94.7% 0.105 98.8);

Tailwind

colors: {
  custom: {
    50: '#fff4b9',
    500: '#ffef9b',
    950: '#000000',
  },
}

SCSS

$custom: #ffef9b;
$custom-light: #fff4b9;
$custom-dark: #000000;

JSON

{
  "hex": "#ffef9b",
  "rgb": {
    "r": 255,
    "g": 239,
    "b": 155
  },
  "hsl": {
    "h": 50.4,
    "s": 100,
    "l": 80.392
  },
  "oklch": {
    "l": 0.9465,
    "c": 0.10548,
    "h": 98.8
  },
  "luminance": 0.8536
}

Semantic roles & 50–950 ramp

primary

#FFEF9B

secondary

#5C71E2

accent

#25E600

background

#FFFFFD

surface

#FFFEF8

border

#D7D6D1

text

#181711

muted

#868581

Preview Lab

Preview with #FFEF9B

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

Preview Lab → · Contrast checker → · Palette generator →