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Colour

#18A36B

  • #18A36B
  • Cyan
  • Dark
  • Nearest: Medium seagreen

#18A36B is a cyan with RGB values 24, 163, 107 and HSL 156°, 74%, 37%. It is a dark colour, so black text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Medium seagreen.

Colour values

#18A36B#18A36B
HEX#18A36B
RGBrgb(24, 163, 107)
RGB (0–1)0.0941, 0.6392, 0.4196
RGB percentages9.4%, 63.9%, 42%
HSLhsl(155.8, 74.3%, 36.7%)
HSV / HSBhsv(155.8, 85.3%, 63.9%)
CMYK85.3%, 0%, 34.4%, 36.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,614,699
CSS custom property--colour: #18A36B;

Brightness & contrast

Relative luminance0.2745WCAG 2.x, 0 is black and 1 is white
Perceived brightness130.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.49:1
Contrast with white3.24:1WCAG normal text: Fail
Contrast with black6.49:1WCAG normal text: AA
Greyscale equivalent#818181
Inverted#E75C94

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A19667no red cones; affects about 1% of men; ΔE 45.5 from the original
Deuteranopia#918A6Fno green cones; the most common form, about 1% of men; ΔE 46.4 from the original
Tritanopia#00A294no blue cones; rare, and affects men and women equally; ΔE 24.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.24:1WCAG large text: AA
Contrast with black, large text6.49:1WCAG large text: AAA

Named colours

Medium seagreen · ΔE 7.6Sea green · ΔE 11.5Medium aquamarine · ΔE 22.1Forest green · ΔE 27Dark seagreen · ΔE 27.5Light seagreen · ΔE 28.7
Nearest named CSS colourMedium seagreen (#3CB371)ΔE 7.59, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A31850
Analogous#18A326, #1895A3
Triadic#6B18A3, #A36B18
Split complementary#A31896, #A32618
Tetradic#2518A3, #A31850, #95A318

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#97F0CC
Lighter +30%#6BE9B6
Lighter +20%#3EE3A0
Lighter +10%#1FCF88
Darker −10%#11774E
Darker −20%#0B4A31
Darker −30%#041E13
Darker −40%#000000
More saturated +25%#01BA70
Less saturated −25%#2F8C66

Channel breakdown

R24
G163
B107
Red24 (9.4%)
Green163 (63.9%)
Blue107 (42%)
Hue155.83°
Saturation (HSL)74.33%
Lightness36.67%
Dominant channelGreen
Hex per channelR 18 · G A3 · B 6B

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Every value on this page was computed from “18a36b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.