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Recognised as Colour

#425B50

  • #425B50
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#425B50 is a cyan with RGB values 66, 91, 80 and HSL 154°, 16%, 31%. It is a dark colour, so white text on it reaches 7.4:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#425B50#425B50
HEX#425B50
RGBrgb(66, 91, 80)
RGB (0–1)0.2588, 0.3569, 0.3137
RGB percentages25.9%, 35.7%, 31.4%
HSLhsl(153.6, 15.9%, 30.8%)
HSV / HSBhsv(153.6, 27.5%, 35.7%)
CMYK27.5%, 0%, 12.1%, 64.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,348,752
CSS custom property--colour: #425B50;

Brightness & contrast

Relative luminance0.0922WCAG 2.x, 0 is black and 1 is white
Perceived brightness83 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.38:1
Contrast with white7.38:1WCAG normal text: AAA
Contrast with black2.84:1WCAG normal text: Fail
Greyscale equivalent#555555
Inverted#BDA4AF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5A584Fno red cones; affects about 1% of men; ΔE 11.3 from the original
Deuteranopia#555451no green cones; the most common form, about 1% of men; ΔE 11.9 from the original
Tritanopia#3D5B58no blue cones; rare, and affects men and women equally; ΔE 5.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.38:1WCAG large text: AAA
Contrast with black, large text2.84:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 8.7Dim grey · ΔE 14.8Gray · ΔE 21.2Slate grey · ΔE 23.7Teal · ΔE 23.7Light slate grey · ΔE 26.2
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 8.72, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5B424D
Analogous#425B44, #425A5B
Triadic#50425B, #5B5042
Split complementary#5B425A, #5B4342
Tetradic#43425B, #5B424D, #5A5B42

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A9C0B6
Lighter +30%#8BAB9D
Lighter +20%#6E9584
Lighter +10%#57796A
Darker −10%#2D3D36
Darker −20%#17201C
Darker −30%#020202
Darker −40%#000000
More saturated +25%#2E6F52
Less saturated −25%#4F4F4F

Channel breakdown

R66
G91
B80
Red66 (25.9%)
Green91 (35.7%)
Blue80 (31.4%)
Hue153.6°
Saturation (HSL)15.92%
Lightness30.78%
Dominant channelGreen
Hex per channelR 42 · G 5B · B 50

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Every value on this page was computed from “425b50” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.