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Recognised as Colour

#645E4D

  • #645E4D
  • Orange
  • Dark
  • Nearest: Dim grey

#645E4D is a orange with RGB values 100, 94, 77 and HSL 44°, 13%, 35%. It is a dark colour, so white text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Dim grey.

Colour values

#645E4D#645E4D
HEX#645E4D
RGBrgb(100, 94, 77)
RGB (0–1)0.3922, 0.3686, 0.302
RGB percentages39.2%, 36.9%, 30.2%
HSLhsl(44.3, 13%, 34.7%)
HSV / HSBhsv(44.3, 23%, 39.2%)
CMYK0%, 6%, 23%, 60.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,577,741
CSS custom property--colour: #645E4D;

Brightness & contrast

Relative luminance0.11251WCAG 2.x, 0 is black and 1 is white
Perceived brightness94.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.46:1
Contrast with white6.46:1WCAG normal text: AA
Contrast with black3.25:1WCAG normal text: Fail
Greyscale equivalent#5E5E5E
Inverted#9BA1B2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#625D4Cno red cones; affects about 1% of men; ΔE 0.7 from the original
Deuteranopia#645F4Eno green cones; the most common form, about 1% of men; ΔE 0.6 from the original
Tritanopia#685B59no blue cones; rare, and affects men and women equally; ΔE 9.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.46:1WCAG large text: AAA
Contrast with black, large text3.25:1WCAG large text: AA

Named colours

Dim grey · ΔE 11.5Gray · ΔE 17.3Dark slate grey · ΔE 20.1Slate grey · ΔE 24.8Light slate grey · ΔE 27Dark olivegreen · ΔE 27
Nearest named CSS colourDim grey (#696969)ΔE 11.53, a distinctly different colour
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4D5364
Analogous#64534D, #5E644D
Triadic#4D645E, #5E4D64
Split complementary#4D5F64, #524D64
Tetradic#4D6453, #4D5364, #644D5F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C7C3B6
Lighter +30%#B1AB99
Lighter +20%#9B937C
Lighter +10%#817963
Darker −10%#474337
Darker −20%#2A2821
Darker −30%#0E0D0A
Darker −40%#000000
More saturated +25%#7A6937
Less saturated −25%#595959

Channel breakdown

R100
G94
B77
Red100 (39.2%)
Green94 (36.9%)
Blue77 (30.2%)
Hue44.35°
Saturation (HSL)12.99%
Lightness34.71%
Dominant channelRed
Hex per channelR 64 · G 5E · B 4D

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Every value on this page was computed from “645e4d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.