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Colour

#F0FF00

  • #F0FF00
  • Yellow
  • Light
  • Nearest: Yellow

#F0FF00 is a yellow with RGB values 240, 255, 0 and HSL 64°, 100%, 50%. 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

#F0FF00#F0FF00
HEX#F0FF00
RGBrgb(240, 255, 0)
RGB (0–1)0.9412, 1, 0
RGB percentages94.1%, 100%, 0%
HSLhsl(63.5, 100%, 50%)
HSV / HSBhsv(63.5, 100%, 100%)
CMYK5.9%, 0%, 100%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,793,920
CSS custom property--colour: #F0FF00;

Brightness & contrast

Relative luminance0.90045WCAG 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#E9E9E9
Inverted#0F00FF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#FFF200no red cones; affects about 1% of men; ΔE 12.6 from the original
Deuteranopia#FFF533no 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 85.8 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 6.4Green yellow · ΔE 27.6Gold · ΔE 28Yellow green · ΔE 34.5Chartreuse · ΔE 41.5Lawn green · ΔE 41.6
Nearest named CSS colourYellow (#FFFF00)ΔE 6.36, clearly different but related
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#0F00FF
Analogous#FF8E00, #71FF00
Triadic#00F0FF, #FF00F0
Split complementary#0071FF, #8E00FF
Tetradic#00FF8E, #0F00FF, #FF0071

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FCFFCC
Lighter +30%#F9FF99
Lighter +20%#F6FF66
Lighter +10%#F3FF33
Darker −10%#C0CC00
Darker −20%#909900
Darker −30%#606600
Darker −40%#303300
More saturated +25%#F0FF00
Less saturated −25%#D4DF20

Channel breakdown

R240
G255
B0
Red240 (94.1%)
Green255 (100%)
Blue0 (0%)
Hue63.53°
Saturation (HSL)100%
Lightness50%
Dominant channelGreen
Hex per channelR F0 · G FF · B 00

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Every value on this page was computed from “f0ff00” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.