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Colour

#00A9B1

  • #00A9B1
  • Cyan
  • Dark
  • Nearest: Light seagreen

#00A9B1 is a cyan with RGB values 0, 169, 177 and HSL 183°, 100%, 35%. It is a dark colour, so black text on it reaches 7.3:1 contrast (AAA for normal text). The nearest named colour is Light seagreen.

Colour values

#00A9B1#00A9B1
HEX#00A9B1
RGBrgb(0, 169, 177)
RGB (0–1)0, 0.6627, 0.6941
RGB percentages0%, 66.3%, 69.4%
HSLhsl(182.7, 100%, 34.7%)
HSV / HSBhsv(182.7, 100%, 69.4%)
CMYK100%, 4.5%, 0%, 30.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer43,441
CSS custom property--colour: #00A9B1;

Brightness & contrast

Relative luminance0.3155WCAG 2.x, 0 is black and 1 is white
Perceived brightness142.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.31:1
Contrast with white2.87:1WCAG normal text: Fail
Contrast with black7.31:1WCAG normal text: AAA
Greyscale equivalent#868686
Inverted#FF564E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#9BA1B2no red cones; affects about 1% of men; ΔE 34.7 from the original
Deuteranopia#8792B2no green cones; the most common form, about 1% of men; ΔE 36.3 from the original
Tritanopia#00B0ABno blue cones; rare, and affects men and women equally; ΔE 8.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.87:1WCAG large text: Fail
Contrast with black, large text7.31:1WCAG large text: AAA

Named colours

Light seagreen · ΔE 9.8Dark cyan · ΔE 12.3Dark turquoise · ΔE 14.3Cadetblue · ΔE 15Medium turquoise · ΔE 15.9Teal · ΔE 16.4
Nearest named CSS colourLight seagreen (#20B2AA)ΔE 9.81, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B10800
Analogous#00B161, #0050B1
Triadic#B100A9, #A9B100
Split complementary#B10050, #B16100
Tetradic#6100B1, #B10800, #50B100

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7EF9FF
Lighter +30%#4BF7FF
Lighter +20%#18F5FF
Lighter +10%#00DAE4
Darker −10%#00787E
Darker −20%#00484B
Darker −30%#001718
Darker −40%#000000
More saturated +25%#00A9B1
Less saturated −25%#16959B

Channel breakdown

R0
G169
B177
Red0 (0%)
Green169 (66.3%)
Blue177 (69.4%)
Hue182.71°
Saturation (HSL)100%
Lightness34.71%
Dominant channelBlue
Hex per channelR 00 · G A9 · B B1

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Every value on this page was computed from “00a9b1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.