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Recognised as Colour

#E45D1F

  • #E45D1F
  • Orange
  • Dark
  • Nearest: Chocolate

#E45D1F is a orange with RGB values 228, 93, 31 and HSL 19°, 78%, 51%. It is a dark colour, so black text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Chocolate.

Colour values

#E45D1F#E45D1F
HEX#E45D1F
RGBrgb(228, 93, 31)
RGB (0–1)0.8941, 0.3647, 0.1216
RGB percentages89.4%, 36.5%, 12.2%
HSLhsl(18.9, 78.5%, 50.8%)
HSV / HSBhsv(18.9, 86.4%, 89.4%)
CMYK0%, 59.2%, 86.4%, 10.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer14,966,047
CSS custom property--colour: #E45D1F;

Brightness & contrast

Relative luminance0.24422WCAG 2.x, 0 is black and 1 is white
Perceived brightness144 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.88:1
Contrast with white3.57:1WCAG normal text: Fail
Contrast with black5.88:1WCAG normal text: AA
Greyscale equivalent#757575
Inverted#1BA2E0

Colour vision & accessibility

Protanopia#847412no red cones; affects about 1% of men; ΔE 54.8 from the original
Deuteranopia#A59317no green cones; the most common form, about 1% of men; ΔE 55.6 from the original
Tritanopia#FB3B52no blue cones; rare, and affects men and women equally; ΔE 33 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.57:1WCAG large text: AA
Contrast with black, large text5.88:1WCAG large text: AAA

Named colours

Nearest named CSS colourChocolate (#D2691E)ΔE 12.76, a distinctly different colour
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#1FA6E4
Analogous#E41F44, #E4BF1F
Triadic#1FE45D, #5D1FE4
Split complementary#1FE4BF, #1F44E4
Tetradic#44E41F, #1FA6E4, #BF1FE4

Tints, shades & saturation

Lighter +40%#FAE1D5
Lighter +30%#F4C0A8
Lighter +20%#EF9F7A
Lighter +10%#E97E4D
Darker −10%#BA4A16
Darker −20%#8C3811
Darker −30%#5F260B
Darker −40%#311406
More saturated +25%#FF5304
Less saturated −25%#C5693E

Channel breakdown

R228
G93
B31
Red228 (89.4%)
Green93 (36.5%)
Blue31 (12.2%)
Hue18.88°
Saturation (HSL)78.49%
Lightness50.78%
Dominant channelRed
Hex per channelR E4 · G 5D · B 1F

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Every value on this page was computed from “e45d1f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.