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Recognised as Colour

#18A356

  • #18A356
  • Green
  • Dark
  • Nearest: Medium seagreen

#18A356 is a green with RGB values 24, 163, 86 and HSL 147°, 74%, 37%. It is a dark colour, so black text on it reaches 6.4:1 contrast (AA for normal text). The nearest named colour is Medium seagreen.

Colour values

#18A356#18A356
HEX#18A356
RGBrgb(24, 163, 86)
RGB (0–1)0.0941, 0.6392, 0.3373
RGB percentages9.4%, 63.9%, 33.7%
HSLhsl(146.8, 74.3%, 36.7%)
HSV / HSBhsv(146.8, 85.3%, 63.9%)
CMYK85.3%, 0%, 47.2%, 36.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,614,678
CSS custom property--colour: #18A356;

Brightness & contrast

Relative luminance0.2706WCAG 2.x, 0 is black and 1 is white
Perceived brightness128.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.41:1
Contrast with white3.28:1WCAG normal text: Fail
Contrast with black6.41:1WCAG normal text: AA
Greyscale equivalent#808080
Inverted#E75CA9

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A39450no red cones; affects about 1% of men; ΔE 49.1 from the original
Deuteranopia#948A5Bno green cones; the most common form, about 1% of men; ΔE 49 from the original
Tritanopia#00A091no blue cones; rare, and affects men and women equally; ΔE 35.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.28:1WCAG large text: AA
Contrast with black, large text6.41:1WCAG large text: AAA

Named colours

Medium seagreen · ΔE 9.6Forest green · ΔE 17.2Sea green · ΔE 17.9Green · ΔE 23.4Dark green · ΔE 27.1Light green · ΔE 28.9
Nearest named CSS colourMedium seagreen (#3CB371)ΔE 9.58, clearly different but related
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A31865
Analogous#20A318, #18A39B
Triadic#5618A3, #A35618
Split complementary#9B18A3, #A31820
Tetradic#1820A3, #A31865, #A39B18

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#97F0BF
Lighter +30%#6BE9A3
Lighter +20%#3EE388
Lighter +10%#1FCF6D
Darker −10%#11773F
Darker −20%#0B4A27
Darker −30%#041E10
Darker −40%#000000
More saturated +25%#01BA53
Less saturated −25%#2F8C59

Channel breakdown

R24
G163
B86
Red24 (9.4%)
Green163 (63.9%)
Blue86 (33.7%)
Hue146.76°
Saturation (HSL)74.33%
Lightness36.67%
Dominant channelGreen
Hex per channelR 18 · G A3 · B 56

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Every value on this page was computed from “18a356” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.