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Recognised as Colour

#42524E

  • #42524E
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#42524E is a cyan with RGB values 66, 82, 78 and HSL 165°, 11%, 29%. It is a dark colour, so white text on it reaches 8.2:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#42524E#42524E
HEX#42524E
RGBrgb(66, 82, 78)
RGB (0–1)0.2588, 0.3216, 0.3059
RGB percentages25.9%, 32.2%, 30.6%
HSLhsl(165, 10.8%, 29%)
HSV / HSBhsv(165, 19.5%, 32.2%)
CMYK19.5%, 0%, 4.9%, 67.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,346,446
CSS custom property--colour: #42524E;

Brightness & contrast

Relative luminance0.07743WCAG 2.x, 0 is black and 1 is white
Perceived brightness77.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.24:1
Contrast with white8.24:1WCAG normal text: AAA
Contrast with black2.55:1WCAG normal text: Fail
Greyscale equivalent#4E4E4E
Inverted#BDADB1

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#51504Eno red cones; affects about 1% of men; ΔE 7.3 from the original
Deuteranopia#4E4E4Eno green cones; the most common form, about 1% of men; ΔE 7.2 from the original
Tritanopia#3E5351no blue cones; rare, and affects men and women equally; ΔE 2.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.24:1WCAG large text: AAA
Contrast with black, large text2.55:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 6.4Dim grey · ΔE 13.1Gray · ΔE 21.4Slate grey · ΔE 22.8Light slate grey · ΔE 25.7Teal · ΔE 27.7
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 6.42, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#524246
Analogous#425246, #424E52
Triadic#4E4252, #524E42
Split complementary#52424E, #524642
Tetradic#464252, #524246, #4E5242

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A7B9B4
Lighter +30%#8BA29C
Lighter +20%#6F8B84
Lighter +10%#596E69
Darker −10%#2B3633
Darker −20%#151918
Darker −30%#000000
Darker −40%#000000
More saturated +25%#306557
Less saturated −25%#4A4A4A

Channel breakdown

R66
G82
B78
Red66 (25.9%)
Green82 (32.2%)
Blue78 (30.6%)
Hue165°
Saturation (HSL)10.81%
Lightness29.02%
Dominant channelGreen
Hex per channelR 42 · G 52 · B 4E

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Every value on this page was computed from “42524e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.