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Recognised as Colour

#223D28

  • #223D28
  • Green
  • Dark
  • Nearest: Dark slate grey

#223D28 is a green with RGB values 34, 61, 40 and HSL 133°, 28%, 19%. It is a dark colour, so white text on it reaches 11.9:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#223D28#223D28
HEX#223D28
RGBrgb(34, 61, 40)
RGB (0–1)0.1333, 0.2392, 0.1569
RGB percentages13.3%, 23.9%, 15.7%
HSLhsl(133.3, 28.4%, 18.6%)
HSV / HSBhsv(133.3, 44.3%, 23.9%)
CMYK44.3%, 0%, 34.4%, 76.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,243,880
CSS custom property--colour: #223D28;

Brightness & contrast

Relative luminance0.03831WCAG 2.x, 0 is black and 1 is white
Perceived brightness52.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.89:1
Contrast with white11.89:1WCAG normal text: AAA
Contrast with black1.77:1WCAG normal text: Fail
Greyscale equivalent#363636
Inverted#DDC2D7

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3D3927no red cones; affects about 1% of men; ΔE 14.3 from the original
Deuteranopia#393629no green cones; the most common form, about 1% of men; ΔE 14.6 from the original
Tritanopia#1E3C37no 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 text11.89:1WCAG large text: AAA
Contrast with black, large text1.77:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 16.3Dim grey · ΔE 28.3Dark olivegreen · ΔE 28.4Black · ΔE 29.6Teal · ΔE 33.7Gray · ΔE 35.7
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 16.3, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3D2237
Analogous#293D22, #223D36
Triadic#28223D, #3D2822
Split complementary#36223D, #3D2229
Tetradic#22293D, #3D2237, #3D3622

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#78B385
Lighter +30%#599F68
Lighter +20%#477E53
Lighter +10%#345E3D
Darker −10%#101C13
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#164921
Less saturated −25%#2E312F

Channel breakdown

R34
G61
B40
Red34 (13.3%)
Green61 (23.9%)
Blue40 (15.7%)
Hue133.33°
Saturation (HSL)28.42%
Lightness18.63%
Dominant channelGreen
Hex per channelR 22 · G 3D · B 28

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Every value on this page was computed from “223d28” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.