What color is #FFFF81?

#FFFF81 is a light, vivid yellow known as Butter. It belongs to the yellow family of colors.

What is the RGB value of Butter?

The RGB value is 255, 255, 129: 255 red, 255 green and 129 blue on a 0 to 255 scale.

What is the complementary color of Butter?

The complementary color is #8181FF, found by rotating the hue 180° on the color wheel.

Is black or white text better on #FFFF81?

Black text. Black text has a contrast ratio of 19.87:1 and white text 1.06:1. WCAG asks for at least 4.5:1 for normal text.

Butter color: hex code #FFFF81

#FFFF81 rgb(255, 255, 129)

Shades of yellow

Butter has the hex code #FFFF81. It is a light, vivid yellow.

In the RGB color model it is made of 100% red, 100% green and 50.6% blue (255, 255, 129).

Its hue angle is 60°, with 100% saturation and 75% lightness. For print, the CMYK equivalent is 0% cyan, 0% magenta, 49% yellow and 0% black.

Black text is the more readable choice on this background (contrast 19.87:1).

Butter (#FFFF81) color codes

HEX	`#FFFF81`
RGB	`rgb(255, 255, 129)`
RGB percent	`rgb(100%, 100%, 50.6%)`
HSL	`hsl(60, 100%, 75%)`
HSV / HSB	`hsv(60, 49%, 100%)`
CMYK	`cmyk(0%, 0%, 49%, 0%)`
CIE LAB	`lab(97.78, -16.45, 59.54)`
CIE LCH	`lch(97.78, 61.77, 105.45)`
CIE XYZ	`xyz(80.964, 94.367, 34.714)`
Decimal	`16777089`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with Butter, based on their position on the color wheel.

Complementary

The color opposite on the color wheel (180°). Strongest contrast.

Analogous

Neighbors 30° either side. Calm, natural combinations.

Split complementary

The two colors next to the complement (150° and 210°).

Triadic

Three colors evenly spaced, 120° apart.

Tetradic (square)

Four colors 90° apart.

Shades, tints and tones

Shades (darker, mixed with black)

Tints (lighter, mixed with white)

Tones (mixed with gray)

Contrast and accessibility

Text on #FFFF81	Ratio	AA	AAA	AA large
Sample text	19.87:1	Pass	Pass	Pass
Sample text	1.06:1	Fail	Fail	Fail

#FFFF81 as text on	Ratio	AA	AAA	AA large
Sample text	1.06:1	Fail	Fail	Fail
Sample text	19.87:1	Pass	Pass	Pass

WCAG 2 asks for 4.5:1 for normal text (AA), 7:1 for AAA, and 3:1 for large text. Check other pairs.

Color blindness simulation

How #FFFF81 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #ffff81; }
.text { color: #ffff81; }
.border { border: 2px solid #ffff81; }
.transparent { background-color: rgb(255 255 129 / 50%); }
.gradient { background: linear-gradient(to right, #ffff81, #c0ff81); }

Background

Text color

Border

Similar colors

See #FFFF81 on its hex code page

Questions

What color is #FFFF81?: #FFFF81 is a light, vivid yellow known as Butter. It belongs to the yellow family of colors.
What is the RGB value of Butter?: The RGB value is 255, 255, 129: 255 red, 255 green and 129 blue on a 0 to 255 scale.
What is the complementary color of Butter?: The complementary color is #8181FF, found by rotating the hue 180° on the color wheel.
Is black or white text better on #FFFF81?: Black text. Black text has a contrast ratio of 19.87:1 and white text 1.06:1. WCAG asks for at least 4.5:1 for normal text.