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Recognised as Colour

#E54700

  • #E54700
  • Orange
  • Dark
  • Nearest: Orange red

#E54700 is a orange with RGB values 229, 71, 0 and HSL 19°, 100%, 45%. It is a dark colour, so black text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Orange red.

Colour values

#E54700#E54700
HEX#E54700
RGBrgb(229, 71, 0)
RGB (0–1)0.898, 0.2784, 0
RGB percentages89.8%, 27.8%, 0%
HSLhsl(18.6, 100%, 44.9%)
HSV / HSBhsv(18.6, 100%, 89.8%)
CMYK0%, 69%, 100%, 10.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,025,920
CSS custom property--colour: #E54700;

Brightness & contrast

Relative luminance0.21164WCAG 2.x, 0 is black and 1 is white
Perceived brightness136.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.23:1
Contrast with white4.01:1WCAG normal text: Fail
Contrast with black5.23:1WCAG normal text: AA
Greyscale equivalent#636363
Inverted#1AB8FF

Colour vision & accessibility

Protanopia#776800no red cones; affects about 1% of men; ΔE 64.9 from the original
Deuteranopia#9E8C00no green cones; the most common form, about 1% of men; ΔE 64.6 from the original
Tritanopia#FD003Dno blue cones; rare, and affects men and women equally; ΔE 31.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.01:1WCAG large text: AA
Contrast with black, large text5.23:1WCAG large text: AAA

Named colours

Nearest named CSS colourOrange red (#FF4500)ΔE 11.01, a distinctly different colour
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#009EE5
Analogous#E5002C, #E5BA00
Triadic#00E547, #4700E5
Split complementary#00E5BA, #002BE5
Tetradic#2BE500, #009EE5, #B900E5

Tints, shades & saturation

Lighter +40%#FFCAB2
Lighter +30%#FFA77F
Lighter +20%#FF834C
Lighter +10%#FF6019
Darker −10%#B23700
Darker −20%#7F2700
Darker −30%#4C1800
Darker −40%#190800
More saturated +25%#E54700
Less saturated −25%#C8521D

Channel breakdown

R229
G71
B0
Red229 (89.8%)
Green71 (27.8%)
Blue0 (0%)
Hue18.6°
Saturation (HSL)100%
Lightness44.9%
Dominant channelRed
Hex per channelR E5 · G 47 · B 00

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Every value on this page was computed from “e54700” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.