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Recognised as Colour

#138A1B

  • #138A1B
  • Green
  • Dark
  • Nearest: Forest green

#138A1B is a green with RGB values 19, 138, 27 and HSL 124°, 76%, 31%. It is a dark colour, so black text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Forest green.

Colour values

#138A1B#138A1B
HEX#138A1B
RGBrgb(19, 138, 27)
RGB (0–1)0.0745, 0.5412, 0.1059
RGB percentages7.5%, 54.1%, 10.6%
HSLhsl(124, 75.8%, 30.8%)
HSV / HSBhsv(124, 86.2%, 54.1%)
CMYK86.2%, 0%, 80.4%, 45.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,280,539
CSS custom property--colour: #138A1B;

Brightness & contrast

Relative luminance0.18395WCAG 2.x, 0 is black and 1 is white
Perceived brightness106.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.68:1
Contrast with white4.49:1WCAG normal text: Fail
Contrast with black4.68:1WCAG normal text: AA
Greyscale equivalent#696969
Inverted#EC75E4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#8D7C00no red cones; affects about 1% of men; ΔE 48.4 from the original
Deuteranopia#817428no green cones; the most common form, about 1% of men; ΔE 47.7 from the original
Tritanopia#008675no blue cones; rare, and affects men and women equally; ΔE 49.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.49:1WCAG large text: AA
Contrast with black, large text4.68:1WCAG large text: AAA

Named colours

Forest green · ΔE 3Green · ΔE 4.9Dark green · ΔE 16.9Olivedrab · ΔE 24.3Medium seagreen · ΔE 27.5Sea green · ΔE 29.4
Nearest named CSS colourForest green (#228B22)ΔE 2.96, a close match
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8A1382
Analogous#478A13, #138A56
Triadic#1B138A, #8A1B13
Split complementary#56138A, #8A1347
Tetradic#13478A, #8A1382, #8A5613

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7CED84
Lighter +30%#4FE759
Lighter +20%#22E12F
Lighter +10%#19B724
Darker −10%#0D5D12
Darker −20%#073009
Darker −30%#000401
Darker −40%#000000
More saturated +25%#009D0B
Less saturated −25%#27762C

Channel breakdown

R19
G138
B27
Red19 (7.5%)
Green138 (54.1%)
Blue27 (10.6%)
Hue124.03°
Saturation (HSL)75.8%
Lightness30.78%
Dominant channelGreen
Hex per channelR 13 · G 8A · B 1B

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Every value on this page was computed from “138a1b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.