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Recognised as Colour

#01CDA9

  • #01CDA9
  • Cyan
  • Dark
  • Nearest: Medium aquamarine

#01CDA9 is a cyan with RGB values 1, 205, 169 and HSL 169°, 99%, 40%. It is a dark colour, so black text on it reaches 10.3:1 contrast (AAA for normal text). The nearest named colour is Medium aquamarine.

Colour values

#01CDA9#01CDA9
HEX#01CDA9
RGBrgb(1, 205, 169)
RGB (0–1)0.0039, 0.8039, 0.6627
RGB percentages0.4%, 80.4%, 66.3%
HSLhsl(169.4, 99%, 40.4%)
HSV / HSBhsv(169.4, 99.5%, 80.4%)
CMYK99.5%, 0%, 17.6%, 19.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer118,185
CSS custom property--colour: #01CDA9;

Brightness & contrast

Relative luminance0.46534WCAG 2.x, 0 is black and 1 is white
Perceived brightness167.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.31:1
Contrast with white2.04:1WCAG normal text: Fail
Contrast with black10.31:1WCAG normal text: AAA
Greyscale equivalent#9F9F9F
Inverted#FE3256

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#C5BFA7no red cones; affects about 1% of men; ΔE 49.5 from the original
Deuteranopia#B0AFACno green cones; the most common form, about 1% of men; ΔE 50.9 from the original
Tritanopia#00CFC3no blue cones; rare, and affects men and women equally; ΔE 13.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.04:1WCAG large text: Fail
Contrast with black, large text10.31:1WCAG large text: AAA

Named colours

Medium aquamarine · ΔE 12.8Turquoise · ΔE 14.2Aquamarine · ΔE 19.3Light seagreen · ΔE 19.9Medium turquoise · ΔE 19.9Medium seagreen · ΔE 20.4
Nearest named CSS colourMedium aquamarine (#66CDAA)ΔE 12.83, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CD0125
Analogous#01CD43, #018BCD
Triadic#A901CD, #CDA901
Split complementary#CD018B, #CD4301
Tetradic#4301CD, #CD0125, #8BCD01

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9BFFED
Lighter +30%#69FEE4
Lighter +20%#36FEDB
Lighter +10%#03FED2
Darker −10%#019A7F
Darker −20%#016755
Darker −30%#00352B
Darker −40%#000202
More saturated +25%#00CEAA
Less saturated −25%#1BB398

Channel breakdown

R1
G205
B169
Red1 (0.4%)
Green205 (80.4%)
Blue169 (66.3%)
Hue169.41°
Saturation (HSL)99.03%
Lightness40.39%
Dominant channelGreen
Hex per channelR 01 · G CD · B A9

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Every value on this page was computed from “01cda9” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.