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Recognised as Colour

#E3971E

  • #E3971E
  • Orange
  • Dark
  • Nearest: Goldenrod

#E3971E is a orange with RGB values 227, 151, 30 and HSL 37°, 78%, 50%. It is a dark colour, so black text on it reaches 8.7:1 contrast (AAA for normal text). The nearest named colour is Goldenrod.

Colour values

#E3971E#E3971E
HEX#E3971E
RGBrgb(227, 151, 30)
RGB (0–1)0.8902, 0.5922, 0.1176
RGB percentages89%, 59.2%, 11.8%
HSLhsl(36.9, 77.9%, 50.4%)
HSV / HSBhsv(36.9, 86.8%, 89%)
CMYK0%, 33.5%, 86.8%, 11%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer14,915,358
CSS custom property--colour: #E3971E;

Brightness & contrast

Relative luminance0.38558WCAG 2.x, 0 is black and 1 is white
Perceived brightness170 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.71:1
Contrast with white2.41:1WCAG normal text: Fail
Contrast with black8.71:1WCAG normal text: AAA
Greyscale equivalent#9E9E9E
Inverted#1C68E1

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#B19C00no red cones; affects about 1% of men; ΔE 25.6 from the original
Deuteranopia#C3AE23no green cones; the most common form, about 1% of men; ΔE 26.2 from the original
Tritanopia#F88482no blue cones; rare, and affects men and women equally; ΔE 52.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.41:1WCAG large text: Fail
Contrast with black, large text8.71:1WCAG large text: AAA

Named colours

Goldenrod · ΔE 11.6Orange · ΔE 13.6Dark goldenrod · ΔE 14.5Dark orange · ΔE 18.7Peru · ΔE 21Sandy brown · ΔE 21.9
Nearest named CSS colourGoldenrod (#DAA520)ΔE 11.62, a distinctly different colour
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#1E6AE3
Analogous#E3341E, #CDE31E
Triadic#1EE397, #971EE3
Split complementary#1ECCE3, #351EE3
Tetradic#1EE334, #1E6AE3, #E31ECC

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FAEBD3
Lighter +30%#F4D6A6
Lighter +20%#EEC179
Lighter +10%#E9AC4B
Darker −10%#B77917
Darker −20%#8A5B11
Darker −30%#5C3D0C
Darker −40%#2F1F06
More saturated +25%#FF9D02
Less saturated −25%#C3903E

Channel breakdown

R227
G151
B30
Red227 (89%)
Green151 (59.2%)
Blue30 (11.8%)
Hue36.85°
Saturation (HSL)77.87%
Lightness50.39%
Dominant channelRed
Hex per channelR E3 · G 97 · B 1E

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Every value on this page was computed from “e3971e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.