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Recognised as Colour

#176D4F

  • #176D4F
  • Cyan
  • Dark
  • Nearest: Sea green

#176D4F is a cyan with RGB values 23, 109, 79 and HSL 159°, 65%, 26%. It is a dark colour, so white text on it reaches 6.3:1 contrast (AA for normal text). The nearest named colour is Sea green.

Colour values

#176D4F#176D4F
HEX#176D4F
RGBrgb(23, 109, 79)
RGB (0–1)0.0902, 0.4275, 0.3098
RGB percentages9%, 42.7%, 31%
HSLhsl(159.1, 65.2%, 25.9%)
HSV / HSBhsv(159.1, 78.9%, 42.7%)
CMYK78.9%, 0%, 27.5%, 57.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,535,311
CSS custom property--colour: #176D4F;

Brightness & contrast

Relative luminance0.11684WCAG 2.x, 0 is black and 1 is white
Perceived brightness88.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.29:1
Contrast with white6.29:1WCAG normal text: AA
Contrast with black3.34:1WCAG normal text: Fail
Greyscale equivalent#595959
Inverted#E892B0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6B654Dno red cones; affects about 1% of men; ΔE 31.1 from the original
Deuteranopia#605D51no green cones; the most common form, about 1% of men; ΔE 31.5 from the original
Tritanopia#006D65no blue cones; rare, and affects men and women equally; ΔE 13.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.29:1WCAG large text: AAA
Contrast with black, large text3.34:1WCAG large text: AA

Named colours

Sea green · ΔE 16.5Teal · ΔE 20.1Dark cyan · ΔE 22.1Dark olivegreen · ΔE 25Dark slate grey · ΔE 26.6Cadetblue · ΔE 29.7
Nearest named CSS colourSea green (#2E8B57)ΔE 16.55, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#6D1735
Analogous#176D24, #17606D
Triadic#4F176D, #6D4F17
Split complementary#6D1760, #6D2417
Tetradic#24176D, #6D1735, #606D17

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#6FE1B9
Lighter +30%#45D8A5
Lighter +20%#29C18C
Lighter +10%#20976E
Darker −10%#0E4330
Darker −20%#051912
Darker −30%#000000
Darker −40%#000000
More saturated +25%#067E54
Less saturated −25%#275C4A

Channel breakdown

R23
G109
B79
Red23 (9%)
Green109 (42.7%)
Blue79 (31%)
Hue159.07°
Saturation (HSL)65.15%
Lightness25.88%
Dominant channelGreen
Hex per channelR 17 · G 6D · B 4F

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Every value on this page was computed from “176d4f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.