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Colour

#643D07

  • #643D07
  • Orange
  • Dark
  • Nearest: Saddle brown

#643D07 is a orange with RGB values 100, 61, 7 and HSL 35°, 87%, 21%. It is a dark colour, so white text on it reaches 9.5:1 contrast (AAA for normal text). The nearest named colour is Saddle brown.

Colour values

#643D07#643D07
HEX#643D07
RGBrgb(100, 61, 7)
RGB (0–1)0.3922, 0.2392, 0.0275
RGB percentages39.2%, 23.9%, 2.7%
HSLhsl(34.8, 86.9%, 21%)
HSV / HSBhsv(34.8, 93%, 39.2%)
CMYK0%, 39%, 93%, 60.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,569,223
CSS custom property--colour: #643D07;

Brightness & contrast

Relative luminance0.06062WCAG 2.x, 0 is black and 1 is white
Perceived brightness72 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.49:1
Contrast with white9.49:1WCAG normal text: AAA
Contrast with black2.21:1WCAG normal text: Fail
Greyscale equivalent#414141
Inverted#9BC2F8

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4A4000no red cones; affects about 1% of men; ΔE 15.7 from the original
Deuteranopia#534908no green cones; the most common form, about 1% of men; ΔE 16.1 from the original
Tritanopia#6E3433no blue cones; rare, and affects men and women equally; ΔE 27.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.49:1WCAG large text: AAA
Contrast with black, large text2.21:1WCAG large text: Fail

Named colours

Saddle brown · ΔE 16.4Sienna · ΔE 21.8Dark olivegreen · ΔE 34.6Peru · ΔE 35.2Maroon · ΔE 35.5Brown · ΔE 38.2
Nearest named CSS colourSaddle brown (#8B4513)ΔE 16.36, a distinctly different colour
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#072E64
Analogous#640F07, #5C6407
Triadic#07643D, #3D0764
Split complementary#075C64, #0F0764
Tetradic#07640F, #072E64, #64075C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F2A945
Lighter +30%#EF9415
Lighter +20%#C3770E
Lighter +10%#945A0A
Darker −10%#342004
Darker −20%#050300
Darker −30%#000000
Darker −40%#000000
More saturated +25%#6B3E00
Less saturated −25%#573B14

Channel breakdown

R100
G61
B7
Red100 (39.2%)
Green61 (23.9%)
Blue7 (2.7%)
Hue34.84°
Saturation (HSL)86.92%
Lightness20.98%
Dominant channelRed
Hex per channelR 64 · G 3D · B 07

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Every value on this page was computed from “643d07” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.