#FFF591#FFF591

#FFF591 is a very light, vivid yellow. Relative luminance 0.886; OKLCH L 95.7% C 0.122 H 103.4°. Best body text is #000000 at 18.72:1 contrast (WCAG AA passes).

Color values

HEX	#FFF591
RGB	rgb(255, 245, 145)
HSL	hsl(55, 100%, 78%)
HSV	hsv(55, 43%, 100%)
CMYK	cmyk(0%, 3.9%, 43.1%, 0%)
CIE-LAB	lab(95.42, -10.13, 49.19)
CIE-LCH	lch(95.42, 50.22, 101.64°)
OKLab	oklab(95.7% -0.0284 0.1187)
OKLCH	oklch(95.7% 0.122 103.4)
XYZ	xyz(79.0049, 88.6114, 39.7245)
Luminance	0.8861 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FFF591 #919BFF

analogous

#FFBE91 #FFF591 #D2FF91

triadic

#FFF591 #91FFF5 #F591FF

tetradic

#FFF591 #91FFBE #919BFF #FF91D2

square

#FFF591 #91FFBE #919BFF #FF91D2

split-complementary

#FFF591 #91D2FF #BE91FF

monochromatic

#FFEA17 #FFEF54 #FFF591 #FFFBCE #FFFCE0

Accessibility & contrast

On white

1.12

#FFF591 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.72

#FFF591 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FFF591

18.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FFF591	#FFFFFF	#000000	##000000
##FFF591	1.00	1.12	18.72	18.72
#FFFFFF	1.12	1.00	21.00	21.00
#000000	18.72	21.00	1.00	1.00
##000000	18.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEF89

Deuteranopia (green-blind)

#FFF495

Tritanopia (blue-blind)

#FFE9DD

Achromatopsia (no color)

#F2F2F2

Design tokens & code

CSS

--color: #fff591;
/* rgb */ color: rgb(255, 245, 145);
/* oklch */ color: oklch(95.7% 0.122 103.4);

Tailwind

colors: {
  custom: {
    50: '#fff8b3',
    500: '#fff591',
    950: '#000000',
  },
}

SCSS

$custom: #fff591;
$custom-light: #fff8b3;
$custom-dark: #000000;

JSON

{
  "hex": "#fff591",
  "rgb": {
    "r": 255,
    "g": 245,
    "b": 145
  },
  "hsl": {
    "h": 54.545,
    "s": 100,
    "l": 78.431
  },
  "oklch": {
    "l": 0.95698,
    "c": 0.12208,
    "h": 103.4
  },
  "luminance": 0.88609
}

Semantic roles & 50–950 ramp

primary

#FFF591

secondary

#5360E1

accent

#15E600

background

#FFFFFD

surface

#FFFEF8

border

#D7D6D1

text

#181711

muted

#868581

Preview Lab

Preview with #FFF591

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

Preview Lab → · Contrast checker → · Palette generator →