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Recognised as Colour

#4B6559

  • #4B6559
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#4B6559 is a cyan with RGB values 75, 101, 89 and HSL 152°, 15%, 35%. It is a dark colour, so white text on it reaches 6.4:1 contrast (AA for normal text). The nearest named colour is Dark slate grey.

Colour values

#4B6559#4B6559
HEX#4B6559
RGBrgb(75, 101, 89)
RGB (0–1)0.2941, 0.3961, 0.349
RGB percentages29.4%, 39.6%, 34.9%
HSLhsl(152.3, 14.8%, 34.5%)
HSV / HSBhsv(152.3, 25.7%, 39.6%)
CMYK25.7%, 0%, 11.9%, 60.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,941,145
CSS custom property--colour: #4B6559;

Brightness & contrast

Relative luminance0.11524WCAG 2.x, 0 is black and 1 is white
Perceived brightness92.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.35:1
Contrast with white6.35:1WCAG normal text: AA
Contrast with black3.3:1WCAG normal text: Fail
Greyscale equivalent#5F5F5F
Inverted#B49AA6

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#646158no red cones; affects about 1% of men; ΔE 12 from the original
Deuteranopia#5F5E5Ano green cones; the most common form, about 1% of men; ΔE 12.1 from the original
Tritanopia#466561no 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 text6.35:1WCAG large text: AAA
Contrast with black, large text3.3:1WCAG large text: AA

Named colours

Dark slate grey · ΔE 11.8Dim grey · ΔE 13.6Gray · ΔE 18.5Slate grey · ΔE 21.5Teal · ΔE 21.9Light slate grey · ΔE 23.7
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 11.82, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#654B57
Analogous#4B654C, #4B6465
Triadic#594B65, #65594B
Split complementary#654B64, #654C4B
Tetradic#4C4B65, #654B57, #64654B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B4C8BF
Lighter +30%#97B2A6
Lighter +20%#7A9C8C
Lighter +10%#618273
Darker −10%#35483F
Darker −20%#202A25
Darker −30%#0A0D0C
Darker −40%#000000
More saturated +25%#357B5B
Less saturated −25%#585858

Channel breakdown

R75
G101
B89
Red75 (29.4%)
Green101 (39.6%)
Blue89 (34.9%)
Hue152.31°
Saturation (HSL)14.77%
Lightness34.51%
Dominant channelGreen
Hex per channelR 4B · G 65 · B 59

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Every value on this page was computed from “4b6559” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.