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Colour

#F9FF15

  • #F9FF15
  • Yellow
  • Light
  • Nearest: Yellow

#F9FF15 is a yellow with RGB values 249, 255, 21 and HSL 62°, 100%, 54%. 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

#F9FF15#F9FF15
HEX#F9FF15
RGBrgb(249, 255, 21)
RGB (0–1)0.9765, 1, 0.0824
RGB percentages97.6%, 100%, 8.2%
HSLhsl(61.5, 100%, 54.1%)
HSV / HSBhsv(61.5, 91.8%, 100%)
CMYK2.4%, 0%, 91.8%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,383,765
CSS custom property--colour: #F9FF15;

Brightness & contrast

Relative luminance0.91714WCAG 2.x, 0 is black and 1 is white
Perceived brightness238.2 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 19.34:1
Contrast with white1.09:1WCAG normal text: Fail
Contrast with black19.34:1WCAG normal text: AAA
Greyscale equivalent#EDEDED
Inverted#0600EA

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#FFF300no red cones; affects about 1% of men; ΔE 8.5 from the original
Deuteranopia#FFF838no green cones; the most common form, about 1% of men; ΔE 10.1 from the original
Tritanopia#FFEEDAno blue cones; rare, and affects men and women equally; ΔE 84.7 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 text19.34:1WCAG large text: AAA

Named colours

Yellow · ΔE 3.2Gold · ΔE 24.5Green yellow · ΔE 30.9Yellow green · ΔE 35.6Chartreuse · ΔE 45.2Lawn green · ΔE 45.3
Nearest named CSS colourYellow (#FFFF00)ΔE 3.2, a close match
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#1B15FF
Analogous#FF9015, #84FF15
Triadic#15F9FF, #FF15F9
Split complementary#1584FF, #9015FF
Tetradic#15FF90, #1B15FF, #FF1584

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FEFFE1
Lighter +30%#FDFFAE
Lighter +20%#FCFF7B
Lighter +10%#FAFF48
Darker −10%#DBE100
Darker −20%#AAAE00
Darker −30%#787B00
Darker −40%#464800
More saturated +25%#F9FF15
Less saturated −25%#DDE232

Channel breakdown

R249
G255
B21
Red249 (97.6%)
Green255 (100%)
Blue21 (8.2%)
Hue61.54°
Saturation (HSL)100%
Lightness54.12%
Dominant channelGreen
Hex per channelR F9 · G FF · B 15

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Every value on this page was computed from “f9ff15” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.