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Recognised as Colour

#E54205

  • #E54205
  • Orange
  • Dark
  • Nearest: Orange red

#E54205 is a orange with RGB values 229, 66, 5 and HSL 16°, 96%, 46%. It is a dark colour, so black text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Orange red.

Colour values

#E54205#E54205
HEX#E54205
RGBrgb(229, 66, 5)
RGB (0–1)0.898, 0.2588, 0.0196
RGB percentages89.8%, 25.9%, 2%
HSLhsl(16.3, 95.7%, 45.9%)
HSV / HSBhsv(16.3, 97.8%, 89.8%)
CMYK0%, 71.2%, 97.8%, 10.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,024,645
CSS custom property--colour: #E54205;

Brightness & contrast

Relative luminance0.20565WCAG 2.x, 0 is black and 1 is white
Perceived brightness135.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.11:1
Contrast with white4.11:1WCAG normal text: Fail
Contrast with black5.11:1WCAG normal text: AA
Greyscale equivalent#606060
Inverted#1ABDFA

Colour vision & accessibility

Protanopia#756600no red cones; affects about 1% of men; ΔE 66.4 from the original
Deuteranopia#9C8B00no green cones; the most common form, about 1% of men; ΔE 66.9 from the original
Tritanopia#FD003Ano blue cones; rare, and affects men and women equally; ΔE 27.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.11:1WCAG large text: AA
Contrast with black, large text5.11:1WCAG large text: AAA

Named colours

Nearest named CSS colourOrange red (#FF4500)ΔE 10.67, a distinctly different colour
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#05A8E5
Analogous#E50538, #E5B205
Triadic#05E542, #4205E5
Split complementary#05E5B2, #0538E5
Tetradic#38E505, #05A8E5, #B205E5

Tints, shades & saturation

Lighter +40%#FDCBB9
Lighter +30%#FCA787
Lighter +20%#FB8255
Lighter +10%#FA5D23
Darker −10%#B33404
Darker −20%#812503
Darker −30%#4F1702
Darker −40%#1D0801
More saturated +25%#EA4000
Less saturated −25%#C84F22

Channel breakdown

R229
G66
B5
Red229 (89.8%)
Green66 (25.9%)
Blue5 (2%)
Hue16.34°
Saturation (HSL)95.73%
Lightness45.88%
Dominant channelRed
Hex per channelR E5 · G 42 · B 05

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Every value on this page was computed from “e54205” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.