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Recognised as Colour

#FB733A

  • #FB733A
  • Orange
  • Dark
  • Nearest: Coral

#FB733A is a orange with RGB values 251, 115, 58 and HSL 18°, 96%, 61%. It is a dark colour, so black text on it reaches 7.6:1 contrast (AAA for normal text). The nearest named colour is Coral.

Colour values

#FB733A#FB733A
HEX#FB733A
RGBrgb(251, 115, 58)
RGB (0–1)0.9843, 0.451, 0.2275
RGB percentages98.4%, 45.1%, 22.7%
HSLhsl(17.7, 96%, 60.6%)
HSV / HSBhsv(17.7, 76.9%, 98.4%)
CMYK0%, 54.2%, 76.9%, 1.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,479,034
CSS custom property--colour: #FB733A;

Brightness & contrast

Relative luminance0.33076WCAG 2.x, 0 is black and 1 is white
Perceived brightness164.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.62:1
Contrast with white2.76:1WCAG normal text: Fail
Contrast with black7.62:1WCAG normal text: AAA
Greyscale equivalent#8C8C8C
Inverted#048CC5

Colour vision & accessibility

Protanopia#998933no red cones; affects about 1% of men; ΔE 54.2 from the original
Deuteranopia#BAA736no green cones; the most common form, about 1% of men; ΔE 54.7 from the original
Tritanopia#FF5567no blue cones; rare, and affects men and women equally; ΔE 32.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.76:1WCAG large text: Fail
Contrast with black, large text7.62:1WCAG large text: AAA

Named colours

Nearest named CSS colourCoral (#FF7F50)ΔE 8.6, clearly different but related
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#3AC2FB
Analogous#FB3A61, #FBD43A
Triadic#3AFB73, #733AFB
Split complementary#3AFBD3, #3A62FB
Tetradic#61FB3A, #3AC2FB, #D33AFB

Tints, shades & saturation

Lighter +40%#FFFFFF
Lighter +30%#FEDED0
Lighter +20%#FDBA9E
Lighter +10%#FC976C
Darker −10%#FA4F08
Darker −20%#CB3F04
Darker −30%#992F03
Darker −40%#672002
More saturated +25%#FF7136
Less saturated −25%#E27D53

Channel breakdown

R251
G115
B58
Red251 (98.4%)
Green115 (45.1%)
Blue58 (22.7%)
Hue17.72°
Saturation (HSL)96.02%
Lightness60.59%
Dominant channelRed
Hex per channelR FB · G 73 · B 3A

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Every value on this page was computed from “fb733a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.