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Recognised as Colour

#23A8A9

  • #23A8A9
  • Cyan
  • Dark
  • Nearest: Light seagreen

#23A8A9 is a cyan with RGB values 35, 168, 169 and HSL 180°, 66%, 40%. 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

#23A8A9#23A8A9
HEX#23A8A9
RGBrgb(35, 168, 169)
RGB (0–1)0.1373, 0.6588, 0.6627
RGB percentages13.7%, 65.9%, 66.3%
HSLhsl(180.4, 65.7%, 40%)
HSV / HSBhsv(180.4, 79.3%, 66.3%)
CMYK79.3%, 0.6%, 0%, 33.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,336,937
CSS custom property--colour: #23A8A9;

Brightness & contrast

Relative luminance0.31227WCAG 2.x, 0 is black and 1 is white
Perceived brightness142.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.25:1
Contrast with white2.9:1WCAG normal text: Fail
Contrast with black7.25:1WCAG normal text: AAA
Greyscale equivalent#8C8C8C
Inverted#DC5756

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#9CA0A9no red cones; affects about 1% of men; ΔE 33.8 from the original
Deuteranopia#8A92AAno green cones; the most common form, about 1% of men; ΔE 35.4 from the original
Tritanopia#00AEA8no blue cones; rare, and affects men and women equally; ΔE 6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.9:1WCAG large text: Fail
Contrast with black, large text7.25:1WCAG large text: AAA

Named colours

Light seagreen · ΔE 6.9Dark cyan · ΔE 10.8Cadetblue · ΔE 13.6Dark turquoise · ΔE 14.8Medium turquoise · ΔE 15Teal · ΔE 15.1
Nearest named CSS colourLight seagreen (#20B2AA)ΔE 6.87, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A92423
Analogous#23A967, #2365A9
Triadic#A923A8, #A8A923
Split complementary#A92365, #A96723
Tetradic#6723A9, #A92423, #65A923

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ABEDEE
Lighter +30%#80E4E5
Lighter +20%#56DBDC
Lighter +10%#2CD2D3
Darker −10%#1A7E7F
Darker −20%#125455
Darker −30%#092A2A
Darker −40%#000000
More saturated +25%#0AC1C3
Less saturated −25%#3D8F90

Channel breakdown

R35
G168
B169
Red35 (13.7%)
Green168 (65.9%)
Blue169 (66.3%)
Hue180.45°
Saturation (HSL)65.69%
Lightness40%
Dominant channelBlue
Hex per channelR 23 · G A8 · B A9

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Every value on this page was computed from “23a8a9” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.