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Colour

#636A65

  • #636A65
  • Grey
  • Dark
  • Nearest: Dim grey

#636A65 is a grey with RGB values 99, 106, 101 and HSL 137°, 3%, 40%. It is a dark colour, so white text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Dim grey.

Colour values

#636A65#636A65
HEX#636A65
RGBrgb(99, 106, 101)
RGB (0–1)0.3882, 0.4157, 0.3961
RGB percentages38.8%, 41.6%, 39.6%
HSLhsl(137.1, 3.4%, 40.2%)
HSV / HSBhsv(137.1, 6.6%, 41.6%)
CMYK6.6%, 0%, 4.7%, 58.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,515,301
CSS custom property--colour: #636A65;

Brightness & contrast

Relative luminance0.139WCAG 2.x, 0 is black and 1 is white
Perceived brightness103.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.56:1
Contrast with white5.56:1WCAG normal text: AA
Contrast with black3.78:1WCAG normal text: Fail
Greyscale equivalent#686868
Inverted#9C959A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6A6965no red cones; affects about 1% of men; ΔE 3.4 from the original
Deuteranopia#696865no green cones; the most common form, about 1% of men; ΔE 3.5 from the original
Tritanopia#626A68no blue cones; rare, and affects men and women equally; ΔE 1.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.56:1WCAG large text: AAA
Contrast with black, large text3.78:1WCAG large text: AA

Named colours

Dim grey · ΔE 4.2Gray · ΔE 10.4Slate grey · ΔE 15.3Dark slate grey · ΔE 16.1Light slate grey · ΔE 17.6Cadetblue · ΔE 25.1
Nearest named CSS colourDim grey (#696969)ΔE 4.2, a close match
Hue familygrey
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#6A6368
Analogous#656A63, #636A69
Triadic#65636A, #6A6563
Split complementary#69636A, #6A6365
Tetradic#63656A, #6A6368, #6A6963

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CBCECC
Lighter +30%#B0B6B2
Lighter +20%#969D98
Lighter +10%#7C847E
Darker −10%#4A504C
Darker −20%#323533
Darker −30%#191B1A
Darker −40%#000100
More saturated +25%#49845A
Less saturated −25%#676767

Channel breakdown

R99
G106
B101
Red99 (38.8%)
Green106 (41.6%)
Blue101 (39.6%)
Hue137.14°
Saturation (HSL)3.41%
Lightness40.2%
Dominant channelGreen
Hex per channelR 63 · G 6A · B 65

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Every value on this page was computed from “636a65” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.