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Colour

#FFFD31

  • #FFFD31
  • Yellow
  • Light
  • Nearest: Yellow

#FFFD31 is a yellow with RGB values 255, 253, 49 and HSL 59°, 100%, 60%. It is a light colour, so black text on it reaches 19.3:1 contrast (AAA for normal text). The nearest named colour is Yellow.

Colour values

#FFFD31#FFFD31
HEX#FFFD31
RGBrgb(255, 253, 49)
RGB (0–1)1, 0.9922, 0.1922
RGB percentages100%, 99.2%, 19.2%
HSLhsl(59.4, 100%, 59.6%)
HSV / HSBhsv(59.4, 80.8%, 100%)
CMYK0%, 0.8%, 80.8%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,776,497
CSS custom property--colour: #FFFD31;

Brightness & contrast

Relative luminance0.91732WCAG 2.x, 0 is black and 1 is white
Perceived brightness239.4 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 19.35:1
Contrast with white1.09:1WCAG normal text: Fail
Contrast with black19.35:1WCAG normal text: AAA
Greyscale equivalent#EFEFEF
Inverted#0002CE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#FFF200no red cones; affects about 1% of men; ΔE 7 from the original
Deuteranopia#FFF845no green cones; the most common form, about 1% of men; ΔE 7.4 from the original
Tritanopia#FFECD9no blue cones; rare, and affects men and women equally; ΔE 79.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.09:1WCAG large text: Fail
Contrast with black, large text19.35:1WCAG large text: AAA

Named colours

Yellow · ΔE 7.1Gold · ΔE 20.4Green yellow · ΔE 33.4Yellow green · ΔE 34.3Goldenrod · ΔE 42.8Khaki · ΔE 44.4
Nearest named CSS colourYellow (#FFFF00)ΔE 7.12, clearly different but related
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3133FF
Analogous#FF9631, #9AFF31
Triadic#31FFFD, #FD31FF
Split complementary#319AFF, #9631FF
Tetradic#31FF96, #3133FF, #FF319A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFD
Lighter +30%#FFFECA
Lighter +20%#FFFE97
Lighter +10%#FFFD64
Darker −10%#FDFB00
Darker −20%#CAC800
Darker −30%#979600
Darker −40%#646300
More saturated +25%#FFFD31
Less saturated −25%#E5E44B

Channel breakdown

R255
G253
B49
Red255 (100%)
Green253 (99.2%)
Blue49 (19.2%)
Hue59.42°
Saturation (HSL)100%
Lightness59.61%
Dominant channelRed
Hex per channelR FF · G FD · B 31

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Every value on this page was computed from “fffd31” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.