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Recognised as Colour

#42423E

  • #42423E
  • Grey
  • Dark
  • Nearest: Dark slate grey

#42423E is a grey with RGB values 66, 66, 62 and HSL 60°, 3%, 25%. It is a dark colour, so white text on it reaches 10.1:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#42423E#42423E
HEX#42423E
RGBrgb(66, 66, 62)
RGB (0–1)0.2588, 0.2588, 0.2431
RGB percentages25.9%, 25.9%, 24.3%
HSLhsl(60, 3.1%, 25.1%)
HSV / HSBhsv(60, 6.1%, 25.9%)
CMYK0%, 0%, 6.1%, 74.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,342,334
CSS custom property--colour: #42423E;

Brightness & contrast

Relative luminance0.05402WCAG 2.x, 0 is black and 1 is white
Perceived brightness65.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.09:1
Contrast with white10.09:1WCAG normal text: AAA
Contrast with black2.08:1WCAG normal text: Fail
Greyscale equivalent#424242
Inverted#BDBDC1

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#43423Eno red cones; affects about 1% of men; ΔE 0.5 from the original
Deuteranopia#43423Eno green cones; the most common form, about 1% of men; ΔE 0.5 from the original
Tritanopia#434141no blue cones; rare, and affects men and women equally; ΔE 2.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.09:1WCAG large text: AAA
Contrast with black, large text2.08:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 12.9Dim grey · ΔE 16.8Gray · ΔE 25.9Black · ΔE 28Slate grey · ΔE 28.2Light slate grey · ΔE 31.2
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 12.93, a distinctly different colour
Hue familygrey
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3E3E42
Analogous#42403E, #40423E
Triadic#3E4242, #423E42
Split complementary#3E4042, #403E42
Tetradic#3E4240, #3E3E42, #423E40

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A9A9A3
Lighter +30%#909089
Lighter +20%#77776F
Lighter +10%#5C5C57
Darker −10%#282825
Darker −20%#0D0D0D
Darker −30%#000000
Darker −40%#000000
More saturated +25%#52522E
Less saturated −25%#404040

Channel breakdown

R66
G66
B62
Red66 (25.9%)
Green66 (25.9%)
Blue62 (24.3%)
Hue60°
Saturation (HSL)3.13%
Lightness25.1%
Dominant channelRed and Green
Hex per channelR 42 · G 42 · B 3E

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Every value on this page was computed from “42423e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.