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Colour

#FBFF00

  • #FBFF00
  • Yellow
  • Light
  • Nearest: Yellow

#FBFF00 is a yellow with RGB values 251, 255, 0 and HSL 61°, 100%, 50%. It is a light colour, so black text on it reaches 19.4:1 contrast (AAA for normal text). The nearest named colour is Yellow.

Colour values

#FBFF00#FBFF00
HEX#FBFF00
RGBrgb(251, 255, 0)
RGB (0–1)0.9843, 1, 0
RGB percentages98.4%, 100%, 0%
HSLhsl(60.9, 100%, 50%)
HSV / HSBhsv(60.9, 100%, 100%)
CMYK1.6%, 0%, 100%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,514,816
CSS custom property--colour: #FBFF00;

Brightness & contrast

Relative luminance0.92029WCAG 2.x, 0 is black and 1 is white
Perceived brightness238.8 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 19.41:1
Contrast with white1.08:1WCAG normal text: Fail
Contrast with black19.41:1WCAG normal text: AAA
Greyscale equivalent#ECECEC
Inverted#0400FF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#FFF300no red cones; affects about 1% of men; ΔE 8.1 from the original
Deuteranopia#FFF832no green cones; the most common form, about 1% of men; ΔE 9.9 from the original
Tritanopia#FFEED9no blue cones; rare, and affects men and women equally; ΔE 85.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.08:1WCAG large text: Fail
Contrast with black, large text19.41:1WCAG large text: AAA

Named colours

Yellow · ΔE 1.7Gold · ΔE 24.5Green yellow · ΔE 32.1Yellow green · ΔE 37.3Chartreuse · ΔE 46.2Lawn green · ΔE 46.3
Nearest named CSS colourYellow (#FFFF00)ΔE 1.71, below the just-noticeable difference
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#0400FF
Analogous#FF8400, #7CFF00
Triadic#00FBFF, #FF00FB
Split complementary#007BFF, #8400FF
Tetradic#00FF84, #0400FF, #FF007B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FEFFCC
Lighter +30%#FDFF99
Lighter +20%#FDFF66
Lighter +10%#FCFF33
Darker −10%#C9CC00
Darker −20%#979900
Darker −30%#646600
Darker −40%#323300
More saturated +25%#FBFF00
Less saturated −25%#DCDF20

Channel breakdown

R251
G255
B0
Red251 (98.4%)
Green255 (100%)
Blue0 (0%)
Hue60.94°
Saturation (HSL)100%
Lightness50%
Dominant channelGreen
Hex per channelR FB · G FF · B 00

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Every value on this page was computed from “fbff00” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.