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Recognised as Colour

#137D21

  • #137D21
  • Green
  • Dark
  • Nearest: Forest green

#137D21 is a green with RGB values 19, 125, 33 and HSL 128°, 74%, 28%. It is a dark colour, so white text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Forest green.

Colour values

#137D21#137D21
HEX#137D21
RGBrgb(19, 125, 33)
RGB (0–1)0.0745, 0.4902, 0.1294
RGB percentages7.5%, 49%, 12.9%
HSLhsl(127.9, 73.6%, 28.2%)
HSV / HSBhsv(127.9, 84.8%, 49%)
CMYK84.8%, 0%, 73.6%, 51%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,277,217
CSS custom property--colour: #137D21;

Brightness & contrast

Relative luminance0.14915WCAG 2.x, 0 is black and 1 is white
Perceived brightness97 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.27:1
Contrast with white5.27:1WCAG normal text: AA
Contrast with black3.98:1WCAG normal text: Fail
Greyscale equivalent#606060
Inverted#EC82DE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7F7012no red cones; affects about 1% of men; ΔE 44 from the original
Deuteranopia#74692Ano green cones; the most common form, about 1% of men; ΔE 43.3 from the original
Tritanopia#00796Bno blue cones; rare, and affects men and women equally; ΔE 43.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.27:1WCAG large text: AAA
Contrast with black, large text3.98:1WCAG large text: AA

Named colours

Forest green · ΔE 7.5Dark green · ΔE 10.2Green · ΔE 10.8Sea green · ΔE 22.2Olivedrab · ΔE 23.1Medium seagreen · ΔE 25.3
Nearest named CSS colourForest green (#228B22)ΔE 7.45, clearly different but related
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7D136F
Analogous#3A7D13, #137D56
Triadic#21137D, #7D2113
Split complementary#56137D, #7D133A
Tetradic#133A7D, #7D136F, #7D5613

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#72EA82
Lighter +30%#46E35B
Lighter +20%#20D638
Lighter +10%#1AA92D
Darker −10%#0C5115
Darker −20%#06240A
Darker −30%#000000
Darker −40%#000000
More saturated +25%#018F14
Less saturated −25%#256B2E

Channel breakdown

R19
G125
B33
Red19 (7.5%)
Green125 (49%)
Blue33 (12.9%)
Hue127.92°
Saturation (HSL)73.61%
Lightness28.24%
Dominant channelGreen
Hex per channelR 13 · G 7D · B 21

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Every value on this page was computed from “137d21” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.