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Recognised as Colour

#F9FB00

  • #F9FB00
  • Yellow
  • Light
  • Nearest: Yellow

#F9FB00 is a yellow with RGB values 249, 251, 0 and HSL 60°, 100%, 49%. It is a light colour, so black text on it reaches 18.8:1 contrast (AAA for normal text). The nearest named colour is Yellow.

Colour values

#F9FB00#F9FB00
HEX#F9FB00
RGBrgb(249, 251, 0)
RGB (0–1)0.9765, 0.9843, 0
RGB percentages97.6%, 98.4%, 0%
HSLhsl(60.5, 100%, 49.2%)
HSV / HSBhsv(60.5, 100%, 98.4%)
CMYK0.8%, 0%, 100%, 1.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,382,720
CSS custom property--colour: #F9FB00;

Brightness & contrast

Relative luminance0.89134WCAG 2.x, 0 is black and 1 is white
Perceived brightness235.6 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 18.83:1
Contrast with white1.12:1WCAG normal text: Fail
Contrast with black18.83:1WCAG normal text: AAA
Greyscale equivalent#E8E8E8
Inverted#0604FF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#FFEF00no red cones; affects about 1% of men; ΔE 8.8 from the original
Deuteranopia#FFF531no green cones; the most common form, about 1% of men; ΔE 9.6 from the original
Tritanopia#FFEAD6no blue cones; rare, and affects men and women equally; ΔE 85 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.12:1WCAG large text: Fail
Contrast with black, large text18.83:1WCAG large text: AAA

Named colours

Yellow · ΔE 2.1Gold · ΔE 22.8Green yellow · ΔE 32.6Yellow green · ΔE 36.4Goldenrod · ΔE 46.4Chartreuse · ΔE 46.9
Nearest named CSS colourYellow (#FFFF00)ΔE 2.07, below the just-noticeable difference
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#0200FB
Analogous#FB7F00, #7CFB00
Triadic#00F9FB, #FB00F9
Split complementary#007CFB, #7F00FB
Tetradic#00FB7F, #0200FB, #FB007C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFC8
Lighter +30%#FEFF95
Lighter +20%#FEFF62
Lighter +10%#FDFF2F
Darker −10%#C6C800
Darker −20%#949500
Darker −30%#616200
Darker −40%#2F2F00
More saturated +25%#F9FB00
Less saturated −25%#DADC1F

Channel breakdown

R249
G251
B0
Red249 (97.6%)
Green251 (98.4%)
Blue0 (0%)
Hue60.48°
Saturation (HSL)100%
Lightness49.22%
Dominant channelGreen
Hex per channelR F9 · G FB · B 00

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Every value on this page was computed from “f9fb00” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.