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Colour

#F1FF33

  • #F1FF33
  • Yellow
  • Light
  • Nearest: Yellow

#F1FF33 is a yellow with RGB values 241, 255, 51 and HSL 64°, 100%, 60%. It is a light colour, so black text on it reaches 19.1:1 contrast (AAA for normal text). The nearest named colour is Yellow.

Colour values

#F1FF33#F1FF33
HEX#F1FF33
RGBrgb(241, 255, 51)
RGB (0–1)0.9451, 1, 0.2
RGB percentages94.5%, 100%, 20%
HSLhsl(64.1, 100%, 60%)
HSV / HSBhsv(64.1, 80%, 100%)
CMYK5.5%, 0%, 80%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,859,507
CSS custom property--colour: #F1FF33;

Brightness & contrast

Relative luminance0.9046WCAG 2.x, 0 is black and 1 is white
Perceived brightness236.3 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 19.09:1
Contrast with white1.1:1WCAG normal text: Fail
Contrast with black19.09:1WCAG normal text: AAA
Greyscale equivalent#EDEDED
Inverted#0E00CC

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#FFF200no red cones; affects about 1% of men; ΔE 12.8 from the original
Deuteranopia#FFF648no green cones; the most common form, about 1% of men; ΔE 12.7 from the original
Tritanopia#FFEFDBno blue cones; rare, and affects men and women equally; ΔE 79.9 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 text19.09:1WCAG large text: AAA

Named colours

Yellow · ΔE 9.6Gold · ΔE 26.2Green yellow · ΔE 26.7Yellow green · ΔE 30.1Lawn green · ΔE 42.1Chartreuse · ΔE 42.1
Nearest named CSS colourYellow (#FFFF00)ΔE 9.63, clearly different but related
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4133FF
Analogous#FFA733, #8BFF33
Triadic#33F1FF, #FF33F1
Split complementary#338BFF, #A733FF
Tetradic#33FFA7, #4133FF, #FF338B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FBFFCC
Lighter +20%#F8FF99
Lighter +10%#F4FF66
Darker −10%#EDFF00
Darker −20%#BECC00
Darker −30%#8E9900
Darker −40%#5F6600
More saturated +25%#F1FF33
Less saturated −25%#DBE64C

Channel breakdown

R241
G255
B51
Red241 (94.5%)
Green255 (100%)
Blue51 (20%)
Hue64.12°
Saturation (HSL)100%
Lightness60%
Dominant channelGreen
Hex per channelR F1 · G FF · B 33

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Every value on this page was computed from “f1ff33” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.