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Colour

#40B543

  • #40B543
  • Green
  • Dark
  • Nearest: Forest green

#40B543 is a green with RGB values 64, 181, 67 and HSL 122°, 48%, 48%. It is a dark colour, so black text on it reaches 7.9:1 contrast (AAA for normal text). The nearest named colour is Forest green.

Colour values

#40B543#40B543
HEX#40B543
RGBrgb(64, 181, 67)
RGB (0–1)0.251, 0.7098, 0.2627
RGB percentages25.1%, 71%, 26.3%
HSLhsl(121.5, 47.8%, 48%)
HSV / HSBhsv(121.5, 64.6%, 71%)
CMYK64.6%, 0%, 63%, 29%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,240,707
CSS custom property--colour: #40B543;

Brightness & contrast

Relative luminance0.34543WCAG 2.x, 0 is black and 1 is white
Perceived brightness144.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.91:1
Contrast with white2.66:1WCAG normal text: Fail
Contrast with black7.91:1WCAG normal text: AAA
Greyscale equivalent#949494
Inverted#BF4ABC

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#B9A536no red cones; affects about 1% of men; ΔE 51.1 from the original
Deuteranopia#AA9B4Dno green cones; the most common form, about 1% of men; ΔE 50.6 from the original
Tritanopia#25B09Dno blue cones; rare, and affects men and women equally; ΔE 50.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.66:1WCAG large text: Fail
Contrast with black, large text7.91:1WCAG large text: AAA

Named colours

Forest green · ΔE 16Green · ΔE 19.6Limegreen · ΔE 19.8Medium seagreen · ΔE 24.1Light green · ΔE 25.2Pale green · ΔE 27.7
Nearest named CSS colourForest green (#228B22)ΔE 15.99, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B540B2
Analogous#77B540, #40B57E
Triadic#4340B5, #B54340
Split complementary#7E40B5, #B54078
Tetradic#4077B5, #B540B2, #B57E40

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D2EFD3
Lighter +30%#ACE2AE
Lighter +20%#87D489
Lighter +10%#61C764
Darker −10%#338F35
Darker −20%#256A27
Darker −30%#184419
Darker −40%#0B1E0B
More saturated +25%#21D426
Less saturated −25%#5F9660

Channel breakdown

R64
G181
B67
Red64 (25.1%)
Green181 (71%)
Blue67 (26.3%)
Hue121.54°
Saturation (HSL)47.76%
Lightness48.04%
Dominant channelGreen
Hex per channelR 40 · G B5 · B 43

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Every value on this page was computed from “40b543” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.