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Recognised as Colour

#17C4AE

  • #17C4AE
  • Cyan
  • Dark
  • Nearest: Turquoise

#17C4AE is a cyan with RGB values 23, 196, 174 and HSL 172°, 79%, 43%. It is a dark colour, so black text on it reaches 9.5:1 contrast (AAA for normal text). The nearest named colour is Turquoise.

Colour values

#17C4AE#17C4AE
HEX#17C4AE
RGBrgb(23, 196, 174)
RGB (0–1)0.0902, 0.7686, 0.6824
RGB percentages9%, 76.9%, 68.2%
HSLhsl(172.4, 79%, 42.9%)
HSV / HSBhsv(172.4, 88.3%, 76.9%)
CMYK88.3%, 0%, 11.2%, 23.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,557,678
CSS custom property--colour: #17C4AE;

Brightness & contrast

Relative luminance0.42718WCAG 2.x, 0 is black and 1 is white
Perceived brightness161.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.54:1
Contrast with white2.2:1WCAG normal text: Fail
Contrast with black9.54:1WCAG normal text: AAA
Greyscale equivalent#9E9E9E
Inverted#E83B51

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#BBB8ADno red cones; affects about 1% of men; ΔE 44.6 from the original
Deuteranopia#A6A8B0no green cones; the most common form, about 1% of men; ΔE 46 from the original
Tritanopia#00C8BDno blue cones; rare, and affects men and women equally; ΔE 6.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.2:1WCAG large text: Fail
Contrast with black, large text9.54:1WCAG large text: AAA

Named colours

Turquoise · ΔE 10.6Light seagreen · ΔE 11.1Medium aquamarine · ΔE 11.7Medium turquoise · ΔE 12.3Dark turquoise · ΔE 14.6Aquamarine · ΔE 23
Nearest named CSS colourTurquoise (#40E0D0)ΔE 10.6, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C4172D
Analogous#17C458, #1783C4
Triadic#AE17C4, #C4AE17
Split complementary#C41783, #C45817
Tetradic#5817C4, #C4172D, #83C417

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B1F6ED
Lighter +30%#83F1E3
Lighter +20%#56EBD8
Lighter +10%#28E6CE
Darker −10%#129685
Darker −20%#0C695D
Darker −30%#073B34
Darker −40%#020D0C
More saturated +25%#00DBBF
Less saturated −25%#32A99A

Channel breakdown

R23
G196
B174
Red23 (9%)
Green196 (76.9%)
Blue174 (68.2%)
Hue172.37°
Saturation (HSL)79%
Lightness42.94%
Dominant channelGreen
Hex per channelR 17 · G C4 · B AE

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Every value on this page was computed from “17c4ae” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.