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Recognised as Colour

#138D40

  • #138D40
  • Green
  • Dark
  • Nearest: Forest green

#138D40 is a green with RGB values 19, 141, 64 and HSL 142°, 76%, 31%. It is a dark colour, so black text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Forest green.

Colour values

#138D40#138D40
HEX#138D40
RGBrgb(19, 141, 64)
RGB (0–1)0.0745, 0.5529, 0.251
RGB percentages7.5%, 55.3%, 25.1%
HSLhsl(142.1, 76.3%, 31.4%)
HSV / HSBhsv(142.1, 86.5%, 55.3%)
CMYK86.5%, 0%, 54.6%, 44.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,281,344
CSS custom property--colour: #138D40;

Brightness & contrast

Relative luminance0.19558WCAG 2.x, 0 is black and 1 is white
Perceived brightness110.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.91:1
Contrast with white4.28:1WCAG normal text: Fail
Contrast with black4.91:1WCAG normal text: AA
Greyscale equivalent#6E6E6E
Inverted#EC72BF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#8E8039no red cones; affects about 1% of men; ΔE 45.4 from the original
Deuteranopia#817746no green cones; the most common form, about 1% of men; ΔE 45.3 from the original
Tritanopia#008A7Bno blue cones; rare, and affects men and women equally; ΔE 35.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.28:1WCAG large text: AA
Contrast with black, large text4.91:1WCAG large text: AAA

Named colours

Forest green · ΔE 13Sea green · ΔE 15Medium seagreen · ΔE 16Green · ΔE 18.7Dark green · ΔE 18.8Olivedrab · ΔE 27.2
Nearest named CSS colourForest green (#228B22)ΔE 12.95, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8D1360
Analogous#238D13, #138D7D
Triadic#40138D, #8D4013
Split complementary#7D138D, #8D1323
Tetradic#13238D, #8D1360, #8D7D13

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7EEEA7
Lighter +30%#51E889
Lighter +20%#24E26A
Lighter +10%#19BA54
Darker −10%#0D602C
Darker −20%#073317
Darker −30%#010603
Darker −40%#000000
More saturated +25%#00A03B
Less saturated −25%#277945

Channel breakdown

R19
G141
B64
Red19 (7.5%)
Green141 (55.3%)
Blue64 (25.1%)
Hue142.13°
Saturation (HSL)76.25%
Lightness31.37%
Dominant channelGreen
Hex per channelR 13 · G 8D · B 40

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Every value on this page was computed from “138d40” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.