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Colour

#1F3D28

  • #1F3D28
  • Green
  • Dark
  • Nearest: Dark slate grey

#1F3D28 is a green with RGB values 31, 61, 40 and HSL 138°, 33%, 18%. It is a dark colour, so white text on it reaches 12:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#1F3D28#1F3D28
HEX#1F3D28
RGBrgb(31, 61, 40)
RGB (0–1)0.1216, 0.2392, 0.1569
RGB percentages12.2%, 23.9%, 15.7%
HSLhsl(138, 32.6%, 18%)
HSV / HSBhsv(138, 49.2%, 23.9%)
CMYK49.2%, 0%, 34.4%, 76.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,047,272
CSS custom property--colour: #1F3D28;

Brightness & contrast

Relative luminance0.03782WCAG 2.x, 0 is black and 1 is white
Perceived brightness51.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.96:1
Contrast with white11.96:1WCAG normal text: AAA
Contrast with black1.76:1WCAG normal text: Fail
Greyscale equivalent#353535
Inverted#E0C2D7

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3D3927no red cones; affects about 1% of men; ΔE 15.4 from the original
Deuteranopia#393529no green cones; the most common form, about 1% of men; ΔE 16.3 from the original
Tritanopia#193C37no blue cones; rare, and affects men and women equally; ΔE 10.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.96:1WCAG large text: AAA
Contrast with black, large text1.76:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 16.5Dark olivegreen · ΔE 28.6Dim grey · ΔE 28.9Black · ΔE 30Teal · ΔE 33.3Gray · ΔE 36.3
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 16.48, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3D1F34
Analogous#253D1F, #1F3D37
Triadic#281F3D, #3D281F
Split complementary#371F3D, #3D1F25
Tetradic#1F253D, #3D1F34, #3D371F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#71B786
Lighter +30%#53A26B
Lighter +20%#418154
Lighter +10%#305F3E
Darker −10%#0E1B12
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#134923
Less saturated −25%#2B322D

Channel breakdown

R31
G61
B40
Red31 (12.2%)
Green61 (23.9%)
Blue40 (15.7%)
Hue138°
Saturation (HSL)32.61%
Lightness18.04%
Dominant channelGreen
Hex per channelR 1F · G 3D · B 28

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Every value on this page was computed from “1f3d28” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.