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Recognised as Colour

#22150A

  • #22150A
  • Orange
  • Dark
  • Nearest: Black

#22150A is a orange with RGB values 34, 21, 10 and HSL 28°, 55%, 9%. It is a dark colour, so white text on it reaches 17.8:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#22150A#22150A
HEX#22150A
RGBrgb(34, 21, 10)
RGB (0–1)0.1333, 0.0824, 0.0392
RGB percentages13.3%, 8.2%, 3.9%
HSLhsl(27.5, 54.5%, 8.6%)
HSV / HSBhsv(27.5, 70.6%, 13.3%)
CMYK0%, 38.2%, 70.6%, 86.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,233,610
CSS custom property--colour: #22150A;

Brightness & contrast

Relative luminance0.00898WCAG 2.x, 0 is black and 1 is white
Perceived brightness24.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 17.8:1
Contrast with white17.8:1WCAG normal text: AAA
Contrast with black1.18:1WCAG normal text: Fail
Greyscale equivalent#171717
Inverted#DDEAF5

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#191609no red cones; affects about 1% of men; ΔE 6.1 from the original
Deuteranopia#1C190Ano green cones; the most common form, about 1% of men; ΔE 6.4 from the original
Tritanopia#261212no blue cones; rare, and affects men and women equally; ΔE 6.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text17.8:1WCAG large text: AAA
Contrast with black, large text1.18:1WCAG large text: Fail

Named colours

Black · ΔE 12.5Dark slate grey · ΔE 30.9Dim grey · ΔE 37.5Gray · ΔE 46.5Dark olivegreen · ΔE 47.3Saddle brown · ΔE 49
Nearest named CSS colourBlack (#000000)ΔE 12.53, a distinctly different colour
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#0A1722
Analogous#220A0B, #22210A
Triadic#0A2215, #150A22
Split complementary#0A2221, #0A0B22
Tetradic#0B220A, #0A1722, #210A22

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C07638
Lighter +30%#985E2D
Lighter +20%#714621
Lighter +10%#492D16
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#281504
Less saturated −25%#1C1510

Channel breakdown

R34
G21
B10
Red34 (13.3%)
Green21 (8.2%)
Blue10 (3.9%)
Hue27.5°
Saturation (HSL)54.55%
Lightness8.63%
Dominant channelRed
Hex per channelR 22 · G 15 · B 0A

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Every value on this page was computed from “22150a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.