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Recognised as Colour

#ED8F00

  • #ED8F00
  • Orange
  • Dark
  • Nearest: Dark orange

#ED8F00 is a orange with RGB values 237, 143, 0 and HSL 36°, 100%, 46%. It is a dark colour, so black text on it reaches 8.5:1 contrast (AAA for normal text). The nearest named colour is Dark orange.

Colour values

#ED8F00#ED8F00
HEX#ED8F00
RGBrgb(237, 143, 0)
RGB (0–1)0.9294, 0.5608, 0
RGB percentages92.9%, 56.1%, 0%
HSLhsl(36.2, 100%, 46.5%)
HSV / HSBhsv(36.2, 100%, 92.9%)
CMYK0%, 39.7%, 100%, 7.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,568,640
CSS custom property--colour: #ED8F00;

Brightness & contrast

Relative luminance0.37649WCAG 2.x, 0 is black and 1 is white
Perceived brightness169.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.53:1
Contrast with white2.46:1WCAG normal text: Fail
Contrast with black8.53:1WCAG normal text: AAA
Greyscale equivalent#999999
Inverted#1270FF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#AD9800no red cones; affects about 1% of men; ΔE 34.1 from the original
Deuteranopia#C3AE06no green cones; the most common form, about 1% of men; ΔE 34.9 from the original
Tritanopia#FF787Ano blue cones; rare, and affects men and women equally; ΔE 54.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.46:1WCAG large text: Fail
Contrast with black, large text8.53:1WCAG large text: AAA

Named colours

Dark orange · ΔE 9.3Orange · ΔE 10Goldenrod · ΔE 20.1Chocolate · ΔE 22.2Dark goldenrod · ΔE 22.6Peru · ΔE 26.8
Nearest named CSS colourDark orange (#FF8C00)ΔE 9.34, clearly different but related
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#005EED
Analogous#ED1800, #D5ED00
Triadic#00ED8F, #8F00ED
Split complementary#00D5ED, #1800ED
Tetradic#00ED18, #005EED, #ED00D4

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFE4BA
Lighter +30%#FFCF87
Lighter +20%#FFBB54
Lighter +10%#FFA721
Darker −10%#BA7000
Darker −20%#875100
Darker −30%#543300
Darker −40%#211400
More saturated +25%#ED8F00
Less saturated −25%#CF891E

Channel breakdown

R237
G143
B0
Red237 (92.9%)
Green143 (56.1%)
Blue0 (0%)
Hue36.2°
Saturation (HSL)100%
Lightness46.47%
Dominant channelRed
Hex per channelR ED · G 8F · B 00

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Every value on this page was computed from “ed8f00” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.