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Recognised as Colour

#F3913D

  • #F3913D
  • Orange
  • Dark
  • Nearest: Sandy brown

#F3913D is a orange with RGB values 243, 145, 61 and HSL 28°, 88%, 60%. It is a dark colour, so black text on it reaches 8.9:1 contrast (AAA for normal text). The nearest named colour is Sandy brown.

Colour values

#F3913D#F3913D
HEX#F3913D
RGBrgb(243, 145, 61)
RGB (0–1)0.9529, 0.5686, 0.2392
RGB percentages95.3%, 56.9%, 23.9%
HSLhsl(27.7, 88.3%, 59.6%)
HSV / HSBhsv(27.7, 74.9%, 95.3%)
CMYK0%, 40.3%, 74.9%, 4.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,962,429
CSS custom property--colour: #F3913D;

Brightness & contrast

Relative luminance0.39642WCAG 2.x, 0 is black and 1 is white
Perceived brightness174.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.93:1
Contrast with white2.35:1WCAG normal text: Fail
Contrast with black8.93:1WCAG normal text: AAA
Greyscale equivalent#A0A0A0
Inverted#0C6EC2

Colour vision & accessibility

Protanopia#AE9B32no red cones; affects about 1% of men; ΔE 36.1 from the original
Deuteranopia#C6B23Dno green cones; the most common form, about 1% of men; ΔE 36.8 from the original
Tritanopia#FF7C80no blue cones; rare, and affects men and women equally; ΔE 41.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.35:1WCAG large text: Fail
Contrast with black, large text8.93:1WCAG large text: AAA

Named colours

Nearest named CSS colourSandy brown (#F4A460)ΔE 14.44, a distinctly different colour
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#3D9FF3
Analogous#F33D44, #F3EC3D
Triadic#3DF391, #913DF3
Split complementary#3DF3EC, #3D44F3
Tetradic#44F33D, #3D9FF3, #EC3DF3

Tints, shades & saturation

Lighter +40%#FFFEFD
Lighter +30%#FCE3CD
Lighter +20%#F9C79D
Lighter +10%#F6AC6D
Darker −10%#EE760F
Darker −20%#BE5E0C
Darker −30%#8E4609
Darker −40%#5E2F06
More saturated +25%#FF9031
Less saturated −25%#D99357

Channel breakdown

R243
G145
B61
Red243 (95.3%)
Green145 (56.9%)
Blue61 (23.9%)
Hue27.69°
Saturation (HSL)88.35%
Lightness59.61%
Dominant channelRed
Hex per channelR F3 · G 91 · B 3D

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Every value on this page was computed from “f3913d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.