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Colour

#128A20

  • #128A20
  • Green
  • Dark
  • Nearest: Forest green

#128A20 is a green with RGB values 18, 138, 32 and HSL 127°, 77%, 31%. It is a dark colour, so black text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Forest green.

Colour values

#128A20#128A20
HEX#128A20
RGBrgb(18, 138, 32)
RGB (0–1)0.0706, 0.5412, 0.1255
RGB percentages7.1%, 54.1%, 12.5%
HSLhsl(127, 76.9%, 30.6%)
HSV / HSBhsv(127, 87%, 54.1%)
CMYK87%, 0%, 76.8%, 45.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,215,008
CSS custom property--colour: #128A20;

Brightness & contrast

Relative luminance0.1841WCAG 2.x, 0 is black and 1 is white
Perceived brightness106.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.68:1
Contrast with white4.49:1WCAG normal text: Fail
Contrast with black4.68:1WCAG normal text: AA
Greyscale equivalent#696969
Inverted#ED75DF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#8D7C0Ano red cones; affects about 1% of men; ΔE 48.3 from the original
Deuteranopia#80742Cno green cones; the most common form, about 1% of men; ΔE 47.2 from the original
Tritanopia#008676no blue cones; rare, and affects men and women equally; ΔE 48.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.49:1WCAG large text: AA
Contrast with black, large text4.68:1WCAG large text: AAA

Named colours

Forest green · ΔE 2.1Green · ΔE 6.1Dark green · ΔE 16.4Olivedrab · ΔE 24.3Medium seagreen · ΔE 26Sea green · ΔE 27.7
Nearest named CSS colourForest green (#228B22)ΔE 2.1, below the just-noticeable difference
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8A127C
Analogous#408A12, #128A5C
Triadic#20128A, #8A2012
Split complementary#5C128A, #8A1240
Tetradic#12408A, #8A127C, #8A5C12

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7AEE88
Lighter +30%#4DE85F
Lighter +20%#20E237
Lighter +10%#18B72A
Darker −10%#0C5D16
Darker −20%#06300B
Darker −30%#000301
Darker −40%#000000
More saturated +25%#009C12
Less saturated −25%#25772F

Channel breakdown

R18
G138
B32
Red18 (7.1%)
Green138 (54.1%)
Blue32 (12.5%)
Hue127°
Saturation (HSL)76.92%
Lightness30.59%
Dominant channelGreen
Hex per channelR 12 · G 8A · B 20

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Every value on this page was computed from “128a20” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.