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Recognised as Colour

#11B489

  • #11B489
  • Cyan
  • Dark
  • Nearest: Medium seagreen

#11B489 is a cyan with RGB values 17, 180, 137 and HSL 164°, 83%, 39%. It is a dark colour, so black text on it reaches 7.9:1 contrast (AAA for normal text). The nearest named colour is Medium seagreen.

Colour values

#11B489#11B489
HEX#11B489
RGBrgb(17, 180, 137)
RGB (0–1)0.0667, 0.7059, 0.5373
RGB percentages6.7%, 70.6%, 53.7%
HSLhsl(164.2, 82.7%, 38.6%)
HSV / HSBhsv(164.2, 90.6%, 70.6%)
CMYK90.6%, 0%, 23.9%, 29.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,160,329
CSS custom property--colour: #11B489;

Brightness & contrast

Relative luminance0.34568WCAG 2.x, 0 is black and 1 is white
Perceived brightness145.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.91:1
Contrast with white2.65:1WCAG normal text: Fail
Contrast with black7.91:1WCAG normal text: AAA
Greyscale equivalent#8E8E8E
Inverted#EE4B76

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#AFA787no red cones; affects about 1% of men; ΔE 46.4 from the original
Deuteranopia#9D998Cno green cones; the most common form, about 1% of men; ΔE 47.6 from the original
Tritanopia#00B5A8no blue cones; rare, and affects men and women equally; ΔE 17.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.65:1WCAG large text: Fail
Contrast with black, large text7.91:1WCAG large text: AAA

Named colours

Medium seagreen · ΔE 12.9Medium aquamarine · ΔE 14.6Sea green · ΔE 18.5Light seagreen · ΔE 20.7Turquoise · ΔE 22.5Medium turquoise · ΔE 25.3
Nearest named CSS colourMedium seagreen (#3CB371)ΔE 12.94, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B4113C
Analogous#11B438, #118EB4
Triadic#8911B4, #B48911
Split complementary#B4118E, #B43811
Tetradic#3711B4, #B4113C, #8EB411

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9BF6DE
Lighter +30%#6DF1CE
Lighter +20%#3EEDBF
Lighter +10%#15E3AC
Darker −10%#0D8566
Darker −20%#085742
Darker −30%#04281F
Darker −40%#000000
More saturated +25%#00C591
Less saturated −25%#2A9B7D

Channel breakdown

R17
G180
B137
Red17 (6.7%)
Green180 (70.6%)
Blue137 (53.7%)
Hue164.17°
Saturation (HSL)82.74%
Lightness38.63%
Dominant channelGreen
Hex per channelR 11 · G B4 · B 89

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Every value on this page was computed from “11b489” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.