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Recognised as Colour

#00A9A1

  • #00A9A1
  • Cyan
  • Dark
  • Nearest: Light seagreen

#00A9A1 is a cyan with RGB values 0, 169, 161 and HSL 177°, 100%, 33%. 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

#00A9A1#00A9A1
HEX#00A9A1
RGBrgb(0, 169, 161)
RGB (0–1)0, 0.6627, 0.6314
RGB percentages0%, 66.3%, 63.1%
HSLhsl(177.2, 100%, 33.1%)
HSV / HSBhsv(177.2, 100%, 66.3%)
CMYK100%, 0%, 4.7%, 33.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer43,425
CSS custom property--colour: #00A9A1;

Brightness & contrast

Relative luminance0.30949WCAG 2.x, 0 is black and 1 is white
Perceived brightness140.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.19:1
Contrast with white2.92:1WCAG normal text: Fail
Contrast with black7.19:1WCAG normal text: AAA
Greyscale equivalent#848484
Inverted#FF565E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#9F9FA1no red cones; affects about 1% of men; ΔE 38.6 from the original
Deuteranopia#8C91A2no green cones; the most common form, about 1% of men; ΔE 39.7 from the original
Tritanopia#00AEA6no blue cones; rare, and affects men and women equally; ΔE 1.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.92:1WCAG large text: Fail
Contrast with black, large text7.19:1WCAG large text: AAA

Named colours

Light seagreen · ΔE 3.3Dark cyan · ΔE 12.8Medium turquoise · ΔE 14.6Dark turquoise · ΔE 14.9Teal · ΔE 16.9Cadetblue · ΔE 18.2
Nearest named CSS colourLight seagreen (#20B2AA)ΔE 3.33, a close match
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A90008
Analogous#00A94C, #005DA9
Triadic#A100A9, #A9A100
Split complementary#A9005D, #A94C00
Tetradic#4C00A9, #A90008, #5CA900

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#76FFF9
Lighter +30%#43FFF6
Lighter +20%#10FFF4
Lighter +10%#00DCD2
Darker −10%#007670
Darker −20%#004340
Darker −30%#00100F
Darker −40%#000000
More saturated +25%#00A9A1
Less saturated −25%#15948E

Channel breakdown

R0
G169
B161
Red0 (0%)
Green169 (66.3%)
Blue161 (63.1%)
Hue177.16°
Saturation (HSL)100%
Lightness33.14%
Dominant channelGreen
Hex per channelR 00 · G A9 · B A1

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Every value on this page was computed from “00a9a1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.