ColorXprez

#FBFFB1

Butter · very light warm yellow

About #FBFFB1

#FBFFB1 is a moderately saturated, very light shade in the yellow family. On screen it is built from 98% red, 100% green and 69% blue; for print, its CMYK mix is 2% cyan, 0% magenta, 31% yellow and 0% black. Its overall feel is warm.

Of the common colour names it is similar to Butter (ΔE 8.1); Pale Yellow comes next. Its complementary colour, directly opposite on the colour wheel, is #B5B1FF — a mauve tone that gives the strongest contrast in hue.

Designers tend to use very light tones like #FBFFB1 for backgrounds, page sections and subtle cards. Put black text on top of it — 20.04:1, a WCAG AAA pass.

Colour codes

HEX
RGB
HSL
HSV / HSB
CMYK
CIELAB
Decimal
CSS
Red251
Green255
Blue177

Closest named colours

Butter
#FFF1A8 · ΔE 8.1
Pale Yellow
#FDFD96 · ΔE 12.4
Vanilla
#F3E5AB · ΔE 13.6

ΔE measures visible difference: under 2 is barely noticeable, over 10 is clearly different.

Text on #FBFFB1

WCAG contrast for white and black text on this colour.

White heading text
Body copy set on butter #FBFFB1.
1.05:1Fail
Black heading text
Body copy set on butter #FBFFB1.
20.04:1AAA

Colour-blindness preview

How #FBFFB1 appears to people with the three most common types of colour-vision deficiency.

Normal vision
#FBFFB1
Protanopia (no red cones)
#FFF8AC
Deuteranopia (no green cones)
#FFFBB4
Tritanopia (no blue cones)
#FFF6EB

Shades, tints & matching colours

Tints and shades

Complementary

Analogous

Triadic

Split complementary

Tetradic

Similar colours

Frequently asked questions

›What colour is #FBFFB1?

#FBFFB1 is a moderately saturated, very light shade in the yellow family. On screen it is built from 98% red, 100% green and 69% blue; for print, its CMYK mix is 2% cyan, 0% magenta, 31% yellow and 0% black. Its overall feel is warm.

›What text colour should I use on #FBFFB1?

Use black text. Black on #FBFFB1 has a contrast ratio of 20.04:1 (AAA).

›What colours go with #FBFFB1?

Its complementary colour is #B5B1FF, and analogous partners are #FFDCB1 and #D4FFB1.