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Recognised as Colour

#01A987

  • #01A987
  • Cyan
  • Dark
  • Nearest: Medium aquamarine

#01A987 is a cyan with RGB values 1, 169, 135 and HSL 168°, 99%, 33%. It is a dark colour, so black text on it reaches 7:1 contrast (AAA for normal text). The nearest named colour is Medium aquamarine.

Colour values

#01A987#01A987
HEX#01A987
RGBrgb(1, 169, 135)
RGB (0–1)0.0039, 0.6627, 0.5294
RGB percentages0.4%, 66.3%, 52.9%
HSLhsl(167.9, 98.8%, 33.3%)
HSV / HSBhsv(167.9, 99.4%, 66.3%)
CMYK99.4%, 0%, 20.1%, 33.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer108,935
CSS custom property--colour: #01A987;

Brightness & contrast

Relative luminance0.30132WCAG 2.x, 0 is black and 1 is white
Perceived brightness137.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.03:1
Contrast with white2.99:1WCAG normal text: Fail
Contrast with black7.03:1WCAG normal text: AAA
Greyscale equivalent#838383
Inverted#FE5678

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A39D85no red cones; affects about 1% of men; ΔE 43.6 from the original
Deuteranopia#929089no green cones; the most common form, about 1% of men; ΔE 44.6 from the original
Tritanopia#00AB9Fno blue cones; rare, and affects men and women equally; ΔE 13 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.99:1WCAG large text: Fail
Contrast with black, large text7.03:1WCAG large text: AAA

Named colours

Medium aquamarine · ΔE 15.5Light seagreen · ΔE 16.1Sea green · ΔE 17.2Medium seagreen · ΔE 17.7Turquoise · ΔE 22.6Medium turquoise · ΔE 23.1
Nearest named CSS colourMedium aquamarine (#66CDAA)ΔE 15.5, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A90123
Analogous#01A933, #0177A9
Triadic#8701A9, #A98701
Split complementary#A90177, #A93301
Tetradic#3301A9, #A90123, #77A901

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#78FEE3
Lighter +30%#45FED9
Lighter +20%#12FECE
Lighter +10%#01DCB0
Darker −10%#01765F
Darker −20%#004436
Darker −30%#00110D
Darker −40%#000000
More saturated +25%#00AA88
Less saturated −25%#16947A

Channel breakdown

R1
G169
B135
Red1 (0.4%)
Green169 (66.3%)
Blue135 (52.9%)
Hue167.86°
Saturation (HSL)98.82%
Lightness33.33%
Dominant channelGreen
Hex per channelR 01 · G A9 · B 87

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Every value on this page was computed from “01a987” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.