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Recognised as Colour

#17A371

  • #17A371
  • Cyan
  • Dark
  • Nearest: Medium seagreen

#17A371 is a cyan with RGB values 23, 163, 113 and HSL 159°, 75%, 36%. It is a dark colour, so black text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Medium seagreen.

Colour values

#17A371#17A371
HEX#17A371
RGBrgb(23, 163, 113)
RGB (0–1)0.0902, 0.6392, 0.4431
RGB percentages9%, 63.9%, 44.3%
HSLhsl(158.6, 75.3%, 36.5%)
HSV / HSBhsv(158.6, 85.9%, 63.9%)
CMYK85.9%, 0%, 30.7%, 36.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,549,169
CSS custom property--colour: #17A371;

Brightness & contrast

Relative luminance0.27569WCAG 2.x, 0 is black and 1 is white
Perceived brightness131.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.51:1
Contrast with white3.22:1WCAG normal text: Fail
Contrast with black6.51:1WCAG normal text: AA
Greyscale equivalent#828282
Inverted#E85C8E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A0966Eno red cones; affects about 1% of men; ΔE 44.7 from the original
Deuteranopia#908B74no green cones; the most common form, about 1% of men; ΔE 44.9 from the original
Tritanopia#00A396no blue cones; rare, and affects men and women equally; ΔE 21.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.22:1WCAG large text: AA
Contrast with black, large text6.51:1WCAG large text: AAA

Named colours

Medium seagreen · ΔE 9.9Sea green · ΔE 11.3Medium aquamarine · ΔE 20Light seagreen · ΔE 25.3Dark seagreen · ΔE 26.3Turquoise · ΔE 29.9
Nearest named CSS colourMedium seagreen (#3CB371)ΔE 9.92, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A31749
Analogous#17A32B, #178FA3
Triadic#7117A3, #A37117
Split complementary#A3178F, #A32B17
Tetradic#2B17A3, #A31749, #8FA317

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#96F0D0
Lighter +30%#69EABC
Lighter +20%#3CE4A8
Lighter +10%#1DD090
Darker −10%#117652
Darker −20%#0A4A33
Darker −30%#041D14
Darker −40%#000000
More saturated +25%#00BA78
Less saturated −25%#2E8C6A

Channel breakdown

R23
G163
B113
Red23 (9%)
Green163 (63.9%)
Blue113 (44.3%)
Hue158.57°
Saturation (HSL)75.27%
Lightness36.47%
Dominant channelGreen
Hex per channelR 17 · G A3 · B 71

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Every value on this page was computed from “17a371” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.