#F1F581#F1F581

#F1F581 is a very light, vivid yellow. Relative luminance 0.856; OKLCH L 94.4% C 0.139 H 110.5°. Best body text is #000000 at 18.12:1 contrast (WCAG AA passes).

Color values

HEX	#F1F581
RGB	rgb(241, 245, 129)
HSL	hsl(62, 85%, 73%)
HSV	hsv(62, 47%, 96%)
CMYK	cmyk(1.6%, 0%, 47.3%, 3.9%)
CIE-LAB	lab(94.14, -17.06, 54.95)
CIE-LCH	lch(94.14, 57.54, 107.25°)
OKLab	oklab(94.35% -0.0489 0.1306)
OKLCH	oklch(94.35% 0.139 110.5)
XYZ	xyz(72.8919, 85.5921, 33.4457)
Luminance	0.8559 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F1F581 #8581F5

analogous

#F5BF81 #F1F581 #B7F581

triadic

#F1F581 #81F1F5 #F581F1

tetradic

#F1F581 #81F5BF #8581F5 #F581B7

square

#F1F581 #81F5BF #8581F5 #F581B7

split-complementary

#F1F581 #81B7F5 #BF81F5

monochromatic

#E2E913 #EBF048 #F1F581 #F7F9BA #FCFDE3

Accessibility & contrast

On white

1.16

#F1F581 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.12

#F1F581 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F1F581

18.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F1F581	#FFFFFF	#000000	##000000
##F1F581	1.00	1.16	18.12	18.12
#FFFFFF	1.16	1.00	21.00	21.00
#000000	18.12	21.00	1.00	1.00
##000000	18.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEC77

Deuteranopia (green-blind)

#FFF087

Tritanopia (blue-blind)

#FEE9DA

Achromatopsia (no color)

#EEEEEE

Design tokens & code

CSS

--color: #f1f581;
/* rgb */ color: rgb(241, 245, 129);
/* oklch */ color: oklch(94.4% 0.139 110.5);

Tailwind

colors: {
  custom: {
    50: '#f8f8a8',
    500: '#f1f581',
    950: '#000000',
  },
}

SCSS

$custom: #f1f581;
$custom-light: #f8f8a8;
$custom-dark: #000000;

JSON

{
  "hex": "#f1f581",
  "rgb": {
    "r": 241,
    "g": 245,
    "b": 129
  },
  "hsl": {
    "h": 62.069,
    "s": 85.294,
    "l": 73.333
  },
  "oklch": {
    "l": 0.94352,
    "c": 0.13945,
    "h": 110.5
  },
  "luminance": 0.85591
}

Semantic roles & 50–950 ramp

primary

#F1F581

secondary

#4E49D1

accent

#04E20B

background

#FFFFFD

surface

#FFFEF7

border

#D7D6D0

text

#171710

muted

#858581

Preview Lab

Preview with #F1F581

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

Preview Lab → · Contrast checker → · Palette generator →