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Recognised as Colour

#278B31

  • #278B31
  • Green
  • Dark
  • Nearest: Forest green

#278B31 is a green with RGB values 39, 139, 49 and HSL 126°, 56%, 35%. It is a dark colour, so black text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Forest green.

Colour values

#278B31#278B31
HEX#278B31
RGBrgb(39, 139, 49)
RGB (0–1)0.1529, 0.5451, 0.1922
RGB percentages15.3%, 54.5%, 19.2%
HSLhsl(126, 56.2%, 34.9%)
HSV / HSBhsv(126, 71.9%, 54.5%)
CMYK71.9%, 0%, 64.7%, 45.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,591,537
CSS custom property--colour: #278B31;

Brightness & contrast

Relative luminance0.19118WCAG 2.x, 0 is black and 1 is white
Perceived brightness109.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.82:1
Contrast with white4.35:1WCAG normal text: Fail
Contrast with black4.82:1WCAG normal text: AA
Greyscale equivalent#6F6F6F
Inverted#D874CE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#8E7E26no red cones; affects about 1% of men; ΔE 44 from the original
Deuteranopia#827639no green cones; the most common form, about 1% of men; ΔE 43.6 from the original
Tritanopia#018778no blue cones; rare, and affects men and women equally; ΔE 41.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.35:1WCAG large text: AA
Contrast with black, large text4.82:1WCAG large text: AAA

Named colours

Forest green · ΔE 6.5Green · ΔE 12.7Dark green · ΔE 15.4Sea green · ΔE 20.3Medium seagreen · ΔE 20.6Olivedrab · ΔE 22.1
Nearest named CSS colourForest green (#228B22)ΔE 6.52, clearly different but related
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8B2781
Analogous#4F8B27, #278B63
Triadic#31278B, #8B3127
Split complementary#63278B, #8B274F
Tetradic#274F8B, #8B2781, #8B6327

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9BE3A2
Lighter +30%#73D87D
Lighter +20%#4BCD58
Lighter +10%#32B33F
Darker −10%#1C6323
Darker −20%#113B15
Darker −30%#051407
Darker −40%#000000
More saturated +25%#11A11F
Less saturated −25%#3D7543

Channel breakdown

R39
G139
B49
Red39 (15.3%)
Green139 (54.5%)
Blue49 (19.2%)
Hue126°
Saturation (HSL)56.18%
Lightness34.9%
Dominant channelGreen
Hex per channelR 27 · G 8B · B 31

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Every value on this page was computed from “278b31” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.