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Colour

#F0FF09

  • #F0FF09
  • Yellow
  • Light
  • Nearest: Yellow

#F0FF09 is a yellow with RGB values 240, 255, 9 and HSL 64°, 100%, 52%. It is a light colour, so black text on it reaches 19:1 contrast (AAA for normal text). The nearest named colour is Yellow.

Colour values

#F0FF09#F0FF09
HEX#F0FF09
RGBrgb(240, 255, 9)
RGB (0–1)0.9412, 1, 0.0353
RGB percentages94.1%, 100%, 3.5%
HSLhsl(63.7, 100%, 51.8%)
HSV / HSBhsv(63.7, 96.5%, 100%)
CMYK5.9%, 0%, 96.5%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,793,929
CSS custom property--colour: #F0FF09;

Brightness & contrast

Relative luminance0.90065WCAG 2.x, 0 is black and 1 is white
Perceived brightness235.4 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 19.01:1
Contrast with white1.1:1WCAG normal text: Fail
Contrast with black19.01:1WCAG normal text: AAA
Greyscale equivalent#EAEAEA
Inverted#0F00F6

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#FFF200no red cones; affects about 1% of men; ΔE 12.5 from the original
Deuteranopia#FFF535no green cones; the most common form, about 1% of men; ΔE 14.1 from the original
Tritanopia#FFEFD9no blue cones; rare, and affects men and women equally; ΔE 85.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.1:1WCAG large text: Fail
Contrast with black, large text19.01:1WCAG large text: AAA

Named colours

Yellow · ΔE 6.5Green yellow · ΔE 27.4Gold · ΔE 27.8Yellow green · ΔE 34.1Chartreuse · ΔE 41.5Lawn green · ΔE 41.6
Nearest named CSS colourYellow (#FFFF00)ΔE 6.45, clearly different but related
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#1809FF
Analogous#FF9309, #75FF09
Triadic#09F0FF, #FF09F0
Split complementary#0975FF, #9309FF
Tetradic#09FF93, #1809FF, #FF0975

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FCFFD5
Lighter +30%#F9FFA2
Lighter +20%#F6FF6F
Lighter +10%#F3FF3C
Darker −10%#C8D500
Darker −20%#98A200
Darker −30%#686F00
Darker −40%#383C00
More saturated +25%#F0FF09
Less saturated −25%#D5E028

Channel breakdown

R240
G255
B9
Red240 (94.1%)
Green255 (100%)
Blue9 (3.5%)
Hue63.66°
Saturation (HSL)100%
Lightness51.76%
Dominant channelGreen
Hex per channelR F0 · G FF · B 09

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Every value on this page was computed from “f0ff09” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.