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Colour

#18A54E

  • #18A54E
  • Green
  • Dark
  • Nearest: Medium seagreen

#18A54E is a green with RGB values 24, 165, 78 and HSL 143°, 75%, 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

#18A54E#18A54E
HEX#18A54E
RGBrgb(24, 165, 78)
RGB (0–1)0.0941, 0.6471, 0.3059
RGB percentages9.4%, 64.7%, 30.6%
HSLhsl(143, 74.6%, 37.1%)
HSV / HSBhsv(143, 85.5%, 64.7%)
CMYK85.5%, 0%, 52.7%, 35.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,615,182
CSS custom property--colour: #18A54E;

Brightness & contrast

Relative luminance0.27655WCAG 2.x, 0 is black and 1 is white
Perceived brightness129.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.53:1
Contrast with white3.22:1WCAG normal text: Fail
Contrast with black6.53:1WCAG normal text: AA
Greyscale equivalent#818181
Inverted#E75AB1

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A69646no red cones; affects about 1% of men; ΔE 50.7 from the original
Deuteranopia#978B55no green cones; the most common form, about 1% of men; ΔE 51.1 from the original
Tritanopia#00A291no blue cones; rare, and affects men and women equally; ΔE 39.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.22:1WCAG large text: AA
Contrast with black, large text6.53:1WCAG large text: AAA

Named colours

Medium seagreen · ΔE 13.7Forest green · ΔE 14.2Green · ΔE 20.1Sea green · ΔE 22.5Dark green · ΔE 26.7Light green · ΔE 28.2
Nearest named CSS colourMedium seagreen (#3CB371)ΔE 13.66, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A5186F
Analogous#28A518, #18A595
Triadic#4E18A5, #A54E18
Split complementary#9418A5, #A51829
Tetradic#1828A5, #A5186F, #A59518

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#99F0BA
Lighter +30%#6CEA9C
Lighter +20%#40E37E
Lighter +10%#1ED263
Darker −10%#127839
Darker −20%#0B4C24
Darker −30%#051F0F
Darker −40%#000000
More saturated +25%#00BD48
Less saturated −25%#308D54

Channel breakdown

R24
G165
B78
Red24 (9.4%)
Green165 (64.7%)
Blue78 (30.6%)
Hue142.98°
Saturation (HSL)74.6%
Lightness37.06%
Dominant channelGreen
Hex per channelR 18 · G A5 · B 4E

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Every value on this page was computed from “18a54e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.