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Recognised as Colour

#228B23

  • #228B23
  • Green
  • Dark
  • Nearest: Forest green

#228B23 is a green with RGB values 34, 139, 35 and HSL 121°, 61%, 34%. 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

#228B23#228B23
HEX#228B23
RGBrgb(34, 139, 35)
RGB (0–1)0.1333, 0.5451, 0.1373
RGB percentages13.3%, 54.5%, 13.7%
HSLhsl(120.6, 60.7%, 33.9%)
HSV / HSBhsv(120.6, 75.5%, 54.5%)
CMYK75.5%, 0%, 74.8%, 45.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,263,843
CSS custom property--colour: #228B23;

Brightness & contrast

Relative luminance0.18927WCAG 2.x, 0 is black and 1 is white
Perceived brightness108.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.79:1
Contrast with white4.39:1WCAG normal text: Fail
Contrast with black4.79:1WCAG normal text: AA
Greyscale equivalent#6D6D6D
Inverted#DD74DC

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#8E7D10no red cones; affects about 1% of men; ΔE 46.2 from the original
Deuteranopia#82752Eno green cones; the most common form, about 1% of men; ΔE 45.6 from the original
Tritanopia#008777no blue cones; rare, and affects men and women equally; ΔE 47.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.39:1WCAG large text: AA
Contrast with black, large text4.79:1WCAG large text: AAA

Named colours

Forest green · ΔE 0.4Green · ΔE 7.2Dark green · ΔE 15.9Olivedrab · ΔE 22.2Medium seagreen · ΔE 25.1Sea green · ΔE 26.5
Nearest named CSS colourForest green (#228B22)ΔE 0.38, indistinguishable to the eye
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8B228A
Analogous#568B22, #228B57
Triadic#23228B, #8B2322
Split complementary#57228B, #8B2255
Tetradic#22568B, #8B228A, #8B5722

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#94E595
Lighter +30%#6BDB6C
Lighter +20%#42D144
Lighter +10%#2CB42D
Darker −10%#186219
Darker −20%#0E390E
Darker −30%#041004
Darker −40%#000000
More saturated +25%#0CA10E
Less saturated −25%#387538

Channel breakdown

R34
G139
B35
Red34 (13.3%)
Green139 (54.5%)
Blue35 (13.7%)
Hue120.57°
Saturation (HSL)60.69%
Lightness33.92%
Dominant channelGreen
Hex per channelR 22 · G 8B · B 23

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Every value on this page was computed from “228b23” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.