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Recognised as Colour

#40A564

  • #40A564
  • Green
  • Dark
  • Nearest: Medium seagreen

#40A564 is a green with RGB values 64, 165, 100 and HSL 141°, 44%, 45%. It is a dark colour, so black text on it reaches 6.8:1 contrast (AA for normal text). The nearest named colour is Medium seagreen.

Colour values

#40A564#40A564
HEX#40A564
RGBrgb(64, 165, 100)
RGB (0–1)0.251, 0.6471, 0.3922
RGB percentages25.1%, 64.7%, 39.2%
HSLhsl(141.4, 44.1%, 44.9%)
HSV / HSBhsv(141.4, 61.2%, 64.7%)
CMYK61.2%, 0%, 39.4%, 35.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,236,644
CSS custom property--colour: #40A564;

Brightness & contrast

Relative luminance0.2892WCAG 2.x, 0 is black and 1 is white
Perceived brightness135.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.78:1
Contrast with white3.1:1WCAG normal text: Fail
Contrast with black6.78:1WCAG normal text: AA
Greyscale equivalent#8B8B8B
Inverted#BF5A9B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A59860no red cones; affects about 1% of men; ΔE 41.3 from the original
Deuteranopia#988F68no green cones; the most common form, about 1% of men; ΔE 41.4 from the original
Tritanopia#1EA395no blue cones; rare, and affects men and women equally; ΔE 28.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.1:1WCAG large text: AA
Contrast with black, large text6.78:1WCAG large text: AAA

Named colours

Medium seagreen · ΔE 6.1Sea green · ΔE 11.4Forest green · ΔE 22.9Medium aquamarine · ΔE 23.3Dark seagreen · ΔE 24.4Light green · ΔE 28.5
Nearest named CSS colourMedium seagreen (#3CB371)ΔE 6.14, clearly different but related
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A54081
Analogous#4FA540, #40A596
Triadic#6440A5, #A56440
Split complementary#9640A5, #A5404F
Tetradic#404FA5, #A54081, #A59640

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C8E9D4
Lighter +30%#A3DBB7
Lighter +20%#7ECD9A
Lighter +10%#59BF7D
Darker −10%#32804E
Darker −20%#235C37
Darker −30%#153721
Darker −40%#07120B
More saturated +25%#23C25C
Less saturated −25%#5D886C

Channel breakdown

R64
G165
B100
Red64 (25.1%)
Green165 (64.7%)
Blue100 (39.2%)
Hue141.39°
Saturation (HSL)44.1%
Lightness44.9%
Dominant channelGreen
Hex per channelR 40 · G A5 · B 64

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Every value on this page was computed from “40a564” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.