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Recognised as Colour

#018966

  • #018966
  • Cyan
  • Dark
  • Nearest: Sea green

#018966 is a cyan with RGB values 1, 137, 102 and HSL 165°, 99%, 27%. It is a dark colour, so black text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Sea green.

Colour values

#018966#018966
HEX#018966
RGBrgb(1, 137, 102)
RGB (0–1)0.0039, 0.5373, 0.4
RGB percentages0.4%, 53.7%, 40%
HSLhsl(164.6, 98.6%, 27.1%)
HSV / HSBhsv(164.6, 99.3%, 53.7%)
CMYK99.3%, 0%, 25.5%, 46.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer100,710
CSS custom property--colour: #018966;

Brightness & contrast

Relative luminance0.18857WCAG 2.x, 0 is black and 1 is white
Perceived brightness110.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.77:1
Contrast with white4.4:1WCAG normal text: Fail
Contrast with black4.77:1WCAG normal text: AA
Greyscale equivalent#6A6A6A
Inverted#FE7699

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#857E64no red cones; affects about 1% of men; ΔE 39 from the original
Deuteranopia#777468no green cones; the most common form, about 1% of men; ΔE 39.5 from the original
Tritanopia#008A7Fno blue cones; rare, and affects men and women equally; ΔE 14.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.4:1WCAG large text: AA
Contrast with black, large text4.77:1WCAG large text: AAA

Named colours

Sea green · ΔE 10.1Dark cyan · ΔE 21.5Medium seagreen · ΔE 21.9Teal · ΔE 22Light seagreen · ΔE 22.6Medium aquamarine · ΔE 25.3
Nearest named CSS colourSea green (#2E8B57)ΔE 10.12, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#890124
Analogous#018922, #016889
Triadic#660189, #896601
Split complementary#890168, #892201
Tetradic#220189, #890124, #688901

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#58FED3
Lighter +30%#26FDC6
Lighter +20%#02EEB1
Lighter +10%#01BC8C
Darker −10%#015640
Darker −20%#00241B
Darker −30%#000000
Darker −40%#000000
More saturated +25%#008A66
Less saturated −25%#12785E

Channel breakdown

R1
G137
B102
Red1 (0.4%)
Green137 (53.7%)
Blue102 (40%)
Hue164.56°
Saturation (HSL)98.55%
Lightness27.06%
Dominant channelGreen
Hex per channelR 01 · G 89 · B 66

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Every value on this page was computed from “hex 018966” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.