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Colour

#A8603A

  • #A8603A
  • Orange
  • Dark
  • Nearest: Sienna

#A8603A is a orange with RGB values 168, 96, 58 and HSL 21°, 49%, 44%. It is a dark colour, so white text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Sienna.

Colour values

#A8603A#A8603A
HEX#A8603A
RGBrgb(168, 96, 58)
RGB (0–1)0.6588, 0.3765, 0.2275
RGB percentages65.9%, 37.6%, 22.7%
HSLhsl(20.7, 48.7%, 44.3%)
HSV / HSBhsv(20.7, 65.5%, 65.9%)
CMYK0%, 42.9%, 65.5%, 34.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,034,682
CSS custom property--colour: #A8603A;

Brightness & contrast

Relative luminance0.16996WCAG 2.x, 0 is black and 1 is white
Perceived brightness119.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.77:1
Contrast with white4.77:1WCAG normal text: AA
Contrast with black4.4:1WCAG normal text: Fail
Greyscale equivalent#6D6D6D
Inverted#579FC5

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#746936no red cones; affects about 1% of men; ΔE 29.3 from the original
Deuteranopia#857939no green cones; the most common form, about 1% of men; ΔE 30.1 from the original
Tritanopia#B75257no blue cones; rare, and affects men and women equally; ΔE 22.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.77:1WCAG large text: AAA
Contrast with black, large text4.4:1WCAG large text: AA

Named colours

Sienna · ΔE 5.9Saddle brown · ΔE 12.9Peru · ΔE 19.9Dark salmon · ΔE 22.6Indian red · ΔE 23Brown · ΔE 26.4
Nearest named CSS colourSienna (#A0522D)ΔE 5.95, clearly different but related
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3A82A8
Analogous#A83A4B, #A8973A
Triadic#3AA860, #603AA8
Split complementary#3AA897, #3A4BA8
Tetradic#4BA83A, #3A82A8, #973AA8

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EAD1C4
Lighter +30%#DDB49E
Lighter +20%#D09678
Lighter +10%#C37952
Darker −10%#824A2D
Darker −20%#5C3520
Darker −30%#361F13
Darker −40%#100906
More saturated +25%#C4571E
Less saturated −25%#8C6956

Channel breakdown

R168
G96
B58
Red168 (65.9%)
Green96 (37.6%)
Blue58 (22.7%)
Hue20.73°
Saturation (HSL)48.67%
Lightness44.31%
Dominant channelRed
Hex per channelR A8 · G 60 · B 3A

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Every value on this page was computed from “a8603a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.