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Recognised as Colour

#17C586

  • #17C586
  • Cyan
  • Dark
  • Nearest: Medium seagreen

#17C586 is a cyan with RGB values 23, 197, 134 and HSL 158°, 79%, 43%. It is a dark colour, so black text on it reaches 9.4:1 contrast (AAA for normal text). The nearest named colour is Medium seagreen.

Colour values

#17C586#17C586
HEX#17C586
RGBrgb(23, 197, 134)
RGB (0–1)0.0902, 0.7725, 0.5255
RGB percentages9%, 77.3%, 52.5%
HSLhsl(158.3, 79.1%, 43.1%)
HSV / HSBhsv(158.3, 88.3%, 77.3%)
CMYK88.3%, 0%, 32%, 22.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,557,894
CSS custom property--colour: #17C586;

Brightness & contrast

Relative luminance0.41836WCAG 2.x, 0 is black and 1 is white
Perceived brightness158.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.37:1
Contrast with white2.24:1WCAG normal text: Fail
Contrast with black9.37:1WCAG normal text: AAA
Greyscale equivalent#9B9B9B
Inverted#E83A79

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#C2B582no red cones; affects about 1% of men; ΔE 52.7 from the original
Deuteranopia#AFA88Ano green cones; the most common form, about 1% of men; ΔE 52.9 from the original
Tritanopia#00C4B4no blue cones; rare, and affects men and women equally; ΔE 26.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.24:1WCAG large text: Fail
Contrast with black, large text9.37:1WCAG large text: AAA

Named colours

Medium seagreen · ΔE 9.7Medium aquamarine · ΔE 21.4Light green · ΔE 24.5Sea green · ΔE 24.7Medium spring green · ΔE 25.7Aquamarine · ΔE 25.7
Nearest named CSS colourMedium seagreen (#3CB371)ΔE 9.7, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C51756
Analogous#17C52F, #17ADC5
Triadic#8617C5, #C58617
Split complementary#C517AD, #C52F17
Tetradic#2F17C5, #C51756, #ADC517

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B2F6DD
Lighter +30%#84F1C9
Lighter +20%#57EBB6
Lighter +10%#29E6A2
Darker −10%#129767
Darker −20%#0C6A48
Darker −30%#073C29
Darker −40%#020E0A
More saturated +25%#00DC8C
Less saturated −25%#33AA7E

Channel breakdown

R23
G197
B134
Red23 (9%)
Green197 (77.3%)
Blue134 (52.5%)
Hue158.28°
Saturation (HSL)79.09%
Lightness43.14%
Dominant channelGreen
Hex per channelR 17 · G C5 · B 86

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Every value on this page was computed from “17c586” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.