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Recognised as Colour

#F50F00

  • #F50F00
  • Red
  • Dark
  • Nearest: Red

#F50F00 is a red with RGB values 245, 15, 0 and HSL 4°, 100%, 48%. It is a dark colour, so black text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Red.

Colour values

#F50F00#F50F00
HEX#F50F00
RGBrgb(245, 15, 0)
RGB (0–1)0.9608, 0.0588, 0
RGB percentages96.1%, 5.9%, 0%
HSLhsl(3.7, 100%, 48%)
HSV / HSBhsv(3.7, 100%, 96.1%)
CMYK0%, 93.9%, 100%, 3.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,060,160
CSS custom property--colour: #F50F00;

Brightness & contrast

Relative luminance0.19754WCAG 2.x, 0 is black and 1 is white
Perceived brightness134.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.95:1
Contrast with white4.24:1WCAG normal text: Fail
Contrast with black4.95:1WCAG normal text: AA
Greyscale equivalent#3F3F3F
Inverted#0AF0FF

Colour vision & accessibility

Protanopia#6A5D00no red cones; affects about 1% of men; ΔE 83.5 from the original
Deuteranopia#9D8B00no green cones; the most common form, about 1% of men; ΔE 82.3 from the original
Tritanopia#FF0015no blue cones; rare, and affects men and women equally; ΔE 5.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.24:1WCAG large text: AA
Contrast with black, large text4.95:1WCAG large text: AAA

Named colours

Nearest named CSS colourRed (#FF0000)ΔE 4.33, a close match
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#00E6F5
Analogous#F5006B, #F58A00
Triadic#00F50F, #0F00F5
Split complementary#00F589, #006CF5
Tetradic#6BF500, #00E6F5, #8A00F5

Tints, shades & saturation

Lighter +40%#FFC6C2
Lighter +30%#FF968F
Lighter +20%#FF665C
Lighter +10%#FF3629
Darker −10%#C20C00
Darker −20%#8F0900
Darker −30%#5C0600
Darker −40%#290300
More saturated +25%#F50F00
Less saturated −25%#D62A1F

Channel breakdown

R245
G15
B0
Red245 (96.1%)
Green15 (5.9%)
Blue0 (0%)
Hue3.67°
Saturation (HSL)100%
Lightness48.04%
Dominant channelRed
Hex per channelR F5 · G 0F · B 00

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Every value on this page was computed from “f50f00” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.