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Recognised as Colour

#177D85

  • #177D85
  • Cyan
  • Dark
  • Nearest: Teal

#177D85 is a cyan with RGB values 23, 125, 133 and HSL 184°, 71%, 31%. It is a dark colour, so white text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Teal.

Colour values

#177D85#177D85
HEX#177D85
RGBrgb(23, 125, 133)
RGB (0–1)0.0902, 0.4902, 0.5216
RGB percentages9%, 49%, 52.2%
HSLhsl(184.4, 70.5%, 30.6%)
HSV / HSBhsv(184.4, 82.7%, 52.2%)
CMYK82.7%, 6%, 0%, 47.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,539,461
CSS custom property--colour: #177D85;

Brightness & contrast

Relative luminance0.16543WCAG 2.x, 0 is black and 1 is white
Perceived brightness106.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.87:1
Contrast with white4.87:1WCAG normal text: AA
Contrast with black4.31:1WCAG normal text: Fail
Greyscale equivalent#686868
Inverted#E8827A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#727786no red cones; affects about 1% of men; ΔE 26 from the original
Deuteranopia#646C85no green cones; the most common form, about 1% of men; ΔE 27.3 from the original
Tritanopia#00827Fno blue cones; rare, and affects men and women equally; ΔE 8.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.87:1WCAG large text: AAA
Contrast with black, large text4.31:1WCAG large text: AA

Named colours

Teal · ΔE 6Dark cyan · ΔE 8.5Cadetblue · ΔE 15Dark slate grey · ΔE 22.3Slate grey · ΔE 22.7Light seagreen · ΔE 23.2
Nearest named CSS colourTeal (#008080)ΔE 6.02, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#851F17
Analogous#178556, #174685
Triadic#85177D, #7D8517
Split complementary#851746, #855617
Tetradic#561785, #851F17, #468517

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7FE1E9
Lighter +30%#54D7E1
Lighter +20%#28CDDA
Lighter +10%#1FA6B0
Darker −10%#0F545A
Darker −20%#082B2E
Darker −30%#000203
Darker −40%#000000
More saturated +25%#048E99
Less saturated −25%#2B6C72

Channel breakdown

R23
G125
B133
Red23 (9%)
Green125 (49%)
Blue133 (52.2%)
Hue184.36°
Saturation (HSL)70.51%
Lightness30.59%
Dominant channelBlue
Hex per channelR 17 · G 7D · B 85

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Every value on this page was computed from “177d85” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.