Recognised as Colour

#428F18

#428F18
Green
Dark
Nearest: Forest green

#428F18 is a green with RGB values 66, 143, 24 and HSL 99°, 71%, 33%. It is a dark colour, so black text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Forest green.

Colour values

#428F18#428F18

HEX#428F18

RGBrgb(66, 143, 24)

RGB (0–1)0.2588, 0.5608, 0.0941

RGB percentages25.9%, 56.1%, 9.4%

HSLhsl(98.8, 71.3%, 32.7%)

HSV / HSBhsv(98.8, 83.2%, 56.1%)

CMYK53.8%, 0%, 83.2%, 43.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,362,008

CSS custom property--colour: #428F18;

Brightness & contrast

Relative luminance0.20869WCAG 2.x, 0 is black and 1 is white

Perceived brightness115.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.17:1

Contrast with white4.06:1WCAG normal text: Fail

Contrast with black5.17:1WCAG normal text: AA

Greyscale equivalent#767676

Inverted#BD70E7

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#948200no red cones; affects about 1% of men; ΔE 40.4 from the original

Deuteranopia#8A7C27no green cones; the most common form, about 1% of men; ΔE 39.6 from the original

Tritanopia#3C8A7Ano blue cones; rare, and affects men and women equally; ΔE 52 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text4.06:1WCAG large text: AA

Contrast with black, large text5.17:1WCAG large text: AAA

Named colours

Forest green · ΔE 8.3 Green · ΔE 10.1 Olivedrab · ΔE 16 Dark green · ΔE 18.9 Yellow green · ΔE 29.2 Medium seagreen · ΔE 29.6

Nearest named CSS colourForest green (#228B22)ΔE 8.26, clearly different but related

Hue familygreen

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#65188F

Analogous#7E8F18, #188F29

Triadic#18428F, #8F1842

Split complementary#29188F, #8F187E

Tetradic#187E8F, #65188F, #8F2918

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#ABEB88

Lighter +30%#8CE45C

Lighter +20%#6DDC31

Lighter +10%#56BB1F

Darker −10%#2E6311

Darker −20%#1A3809

Darker −30%#060C02

Darker −40%#000000

More saturated +25%#3CA403

Less saturated −25%#487A2D

Channel breakdown

R66

G143

B24

Red66 (25.9%)

Green143 (56.1%)

Blue24 (9.4%)

Hue98.82°

Saturation (HSL)71.26%

Lightness32.75%

Dominant channelGreen

Hex per channelR 42 · G 8F · B 18

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#428F18

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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