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Recognised as Colour

#1F3628

  • #1F3628
  • Green
  • Dark
  • Nearest: Dark slate grey

#1F3628 is a green with RGB values 31, 54, 40 and HSL 143°, 27%, 17%. It is a dark colour, so white text on it reaches 13:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#1F3628#1F3628
HEX#1F3628
RGBrgb(31, 54, 40)
RGB (0–1)0.1216, 0.2118, 0.1569
RGB percentages12.2%, 21.2%, 15.7%
HSLhsl(143.5, 27.1%, 16.7%)
HSV / HSBhsv(143.5, 42.6%, 21.2%)
CMYK42.6%, 0%, 25.9%, 78.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,045,480
CSS custom property--colour: #1F3628;

Brightness & contrast

Relative luminance0.03083WCAG 2.x, 0 is black and 1 is white
Perceived brightness46.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.99:1
Contrast with white12.99:1WCAG normal text: AAA
Contrast with black1.62:1WCAG normal text: Fail
Greyscale equivalent#303030
Inverted#E0C9D7

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#363327no red cones; affects about 1% of men; ΔE 12 from the original
Deuteranopia#323029no green cones; the most common form, about 1% of men; ΔE 12.3 from the original
Tritanopia#1A3632no blue cones; rare, and affects men and women equally; ΔE 6.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.99:1WCAG large text: AAA
Contrast with black, large text1.62:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 14.6Black · ΔE 24.8Dim grey · ΔE 27.9Dark olivegreen · ΔE 33.4Teal · ΔE 35.3Gray · ΔE 36.1
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 14.64, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#361F2D
Analogous#21361F, #1F3634
Triadic#281F36, #36281F
Split complementary#341F36, #361F21
Tetradic#1F2136, #361F2D, #36341F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#73AE8A
Lighter +30%#579770
Lighter +20%#447758
Lighter +10%#325640
Darker −10%#0C1610
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#144126
Less saturated −25%#2A2B2A

Channel breakdown

R31
G54
B40
Red31 (12.2%)
Green54 (21.2%)
Blue40 (15.7%)
Hue143.48°
Saturation (HSL)27.06%
Lightness16.67%
Dominant channelGreen
Hex per channelR 1F · G 36 · B 28

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Every value on this page was computed from “1f3628” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.