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Recognised as Colour

#4B210A

  • #4B210A
  • Orange
  • Dark
  • Nearest: Saddle brown

#4B210A is a orange with RGB values 75, 33, 10 and HSL 21°, 76%, 17%. It is a dark colour, so white text on it reaches 13.8:1 contrast (AAA for normal text). The nearest named colour is Saddle brown.

Colour values

#4B210A#4B210A
HEX#4B210A
RGBrgb(75, 33, 10)
RGB (0–1)0.2941, 0.1294, 0.0392
RGB percentages29.4%, 12.9%, 3.9%
HSLhsl(21.2, 76.5%, 16.7%)
HSV / HSBhsv(21.2, 86.7%, 29.4%)
CMYK0%, 56%, 86.7%, 70.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,923,658
CSS custom property--colour: #4B210A;

Brightness & contrast

Relative luminance0.02605WCAG 2.x, 0 is black and 1 is white
Perceived brightness48.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.81:1
Contrast with white13.81:1WCAG normal text: AAA
Contrast with black1.52:1WCAG normal text: Fail
Greyscale equivalent#282828
Inverted#B4DEF5

Colour vision & accessibility

Protanopia#2D2707no red cones; affects about 1% of men; ΔE 20.4 from the original
Deuteranopia#373009no green cones; the most common form, about 1% of men; ΔE 20.4 from the original
Tritanopia#53181Cno blue cones; rare, and affects men and women equally; ΔE 14.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.81:1WCAG large text: AAA
Contrast with black, large text1.52:1WCAG large text: Fail

Named colours

Nearest named CSS colourSaddle brown (#8B4513)ΔE 27.48, a distinctly different colour
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#0A344B
Analogous#4B0A14, #4B420A
Triadic#0A4B21, #210A4B
Split complementary#0A4B42, #0A134B
Tetradic#144B0A, #0A344B, #420A4B

Tints, shades & saturation

Lighter +40%#E5783C
Lighter +30%#D25C1C
Lighter +20%#A54916
Lighter +10%#783510
Darker −10%#1E0D04
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#551E00
Less saturated −25%#402415

Channel breakdown

R75
G33
B10
Red75 (29.4%)
Green33 (12.9%)
Blue10 (3.9%)
Hue21.23°
Saturation (HSL)76.47%
Lightness16.67%
Dominant channelRed
Hex per channelR 4B · G 21 · B 0A

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Every value on this page was computed from “4b210a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.