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Colour

#63555A

  • #63555A
  • Grey
  • Dark
  • Nearest: Dim grey

#63555A is a grey with RGB values 99, 85, 90 and HSL 339°, 8%, 36%. It is a dark colour, so white text on it reaches 7.1:1 contrast (AAA for normal text). The nearest named colour is Dim grey.

Colour values

#63555A#63555A
HEX#63555A
RGBrgb(99, 85, 90)
RGB (0–1)0.3882, 0.3333, 0.3529
RGB percentages38.8%, 33.3%, 35.3%
HSLhsl(338.6, 7.6%, 36.1%)
HSV / HSBhsv(338.6, 14.1%, 38.8%)
CMYK0%, 14.1%, 9.1%, 61.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,509,914
CSS custom property--colour: #63555A;

Brightness & contrast

Relative luminance0.09888WCAG 2.x, 0 is black and 1 is white
Perceived brightness90 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.05:1
Contrast with white7.05:1WCAG normal text: AAA
Contrast with black2.98:1WCAG normal text: Fail
Greyscale equivalent#585858
Inverted#9CAAA5

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#56575Ano red cones; affects about 1% of men; ΔE 6.6 from the original
Deuteranopia#59595Ano green cones; the most common form, about 1% of men; ΔE 6.5 from the original
Tritanopia#655557no blue cones; rare, and affects men and women equally; ΔE 2.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.05:1WCAG large text: AAA
Contrast with black, large text2.98:1WCAG large text: Fail

Named colours

Dim grey · ΔE 9.6Gray · ΔE 17.3Dark slate grey · ΔE 19.7Slate grey · ΔE 20.1Light slate grey · ΔE 22.8Rosy brown · ΔE 28.9
Nearest named CSS colourDim grey (#696969)ΔE 9.56, clearly different but related
Hue familygrey
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#55635E
Analogous#635561, #635755
Triadic#5A6355, #555A63
Split complementary#556357, #556163
Tetradic#616355, #55635E, #575563

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C7BDC1
Lighter +30%#AFA2A7
Lighter +20%#98868D
Lighter +10%#7E6D73
Darker −10%#483D41
Darker −20%#2C2628
Darker −30%#110E0F
Darker −40%#000000
More saturated +25%#7A3E53
Less saturated −25%#5C5C5C

Channel breakdown

R99
G85
B90
Red99 (38.8%)
Green85 (33.3%)
Blue90 (35.3%)
Hue338.57°
Saturation (HSL)7.61%
Lightness36.08%
Dominant channelRed
Hex per channelR 63 · G 55 · B 5A

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Every value on this page was computed from “63555a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.