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Recognised as Colour

#478D89

  • #478D89
  • Cyan
  • Dark
  • Nearest: Cadetblue

#478D89 is a cyan with RGB values 71, 141, 137 and HSL 177°, 33%, 42%. It is a dark colour, so black text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Cadetblue.

Colour values

#478D89#478D89
HEX#478D89
RGBrgb(71, 141, 137)
RGB (0–1)0.2784, 0.5529, 0.5373
RGB percentages27.8%, 55.3%, 53.7%
HSLhsl(176.6, 33%, 41.6%)
HSV / HSBhsv(176.6, 49.6%, 55.3%)
CMYK49.6%, 0%, 2.8%, 44.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,689,289
CSS custom property--colour: #478D89;

Brightness & contrast

Relative luminance0.22195WCAG 2.x, 0 is black and 1 is white
Perceived brightness123.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.44:1
Contrast with white3.86:1WCAG normal text: Fail
Contrast with black5.44:1WCAG normal text: AA
Greyscale equivalent#7E7E7E
Inverted#B87276

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#868789no red cones; affects about 1% of men; ΔE 23.4 from the original
Deuteranopia#7A7E8Ano green cones; the most common form, about 1% of men; ΔE 24.2 from the original
Tritanopia#1F908Cno blue cones; rare, and affects men and women equally; ΔE 7.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.86:1WCAG large text: AA
Contrast with black, large text5.44:1WCAG large text: AAA

Named colours

Cadetblue · ΔE 8.2Dark cyan · ΔE 9Teal · ΔE 9.2Light seagreen · ΔE 18.6Slate grey · ΔE 21.8Light slate grey · ΔE 21.8
Nearest named CSS colourCadetblue (#5F9EA0)ΔE 8.17, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8D474B
Analogous#478D66, #476E8D
Triadic#89478D, #8D8947
Split complementary#8D476E, #8D6647
Tetradic#66478D, #8D474B, #6E8D47

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C0E0DE
Lighter +30%#9FCECC
Lighter +20%#7DBDBA
Lighter +10%#5BACA8
Darker −10%#366B68
Darker −20%#254947
Darker −30%#142726
Darker −40%#030505
More saturated +25%#2DA8A0
Less saturated −25%#627372

Channel breakdown

R71
G141
B137
Red71 (27.8%)
Green141 (55.3%)
Blue137 (53.7%)
Hue176.57°
Saturation (HSL)33.02%
Lightness41.57%
Dominant channelGreen
Hex per channelR 47 · G 8D · B 89

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Every value on this page was computed from “478d89” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.