Colour

#17A8A3

#17A8A3
Cyan
Dark
Nearest: Light seagreen

#17A8A3 is a cyan with RGB values 23, 168, 163 and HSL 178°, 76%, 37%. It is a dark colour, so black text on it reaches 7.2:1 contrast (AAA for normal text). The nearest named colour is Light seagreen.

Colour values

#17A8A3#17A8A3

HEX#17A8A3

RGBrgb(23, 168, 163)

RGB (0–1)0.0902, 0.6588, 0.6392

RGB percentages9%, 65.9%, 63.9%

HSLhsl(177.9, 75.9%, 37.5%)

HSV / HSBhsv(177.9, 86.3%, 65.9%)

CMYK86.3%, 0%, 3%, 34.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,550,499

CSS custom property--colour: #17A8A3;

Brightness & contrast

Relative luminance0.30832WCAG 2.x, 0 is black and 1 is white

Perceived brightness140.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 7.17:1

Contrast with white2.93:1WCAG normal text: Fail

Contrast with black7.17:1WCAG normal text: AAA

Greyscale equivalent#898989

Inverted#E8575C

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#9D9FA3no red cones; affects about 1% of men; ΔE 36.2 from the original

Deuteranopia#8B91A4no green cones; the most common form, about 1% of men; ΔE 37.7 from the original

Tritanopia#00ADA6no blue cones; rare, and affects men and women equally; ΔE 2.9 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text2.93:1WCAG large text: Fail

Contrast with black, large text7.17:1WCAG large text: AAA

Named colours

Light seagreen · ΔE 4.1 Dark cyan · ΔE 11.4 Medium turquoise · ΔE 14.6 Dark turquoise · ΔE 14.9 Teal · ΔE 15.7 Cadetblue · ΔE 16

Nearest named CSS colourLight seagreen (#20B2AA)ΔE 4.06, a close match

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#A8171C

Analogous#17A85A, #1765A8

Triadic#A317A8, #A8A317

Split complementary#A81764, #A85A17

Tetradic#5B17A8, #A8171C, #65A817

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#9AF1EE

Lighter +30%#6DEBE7

Lighter +20%#40E5DF

Lighter +10%#1DD5CF

Darker −10%#117B77

Darker −20%#0B4E4C

Darker −30%#052120

Darker −40%#000000

More saturated +25%#00BFB8

Less saturated −25%#2F908D

Channel breakdown

R23

G168

B163

Red23 (9%)

Green168 (65.9%)

Blue163 (63.9%)

Hue177.93°

Saturation (HSL)75.92%

Lightness37.45%

Dominant channelGreen

Hex per channelR 17 · G A8 · B A3

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#17A8A3

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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