Recognised as Colour

#288B1B

#288B1B
Green
Dark
Nearest: Forest green

#288B1B is a green with RGB values 40, 139, 27 and HSL 113°, 67%, 33%. 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

#288B1B#288B1B

HEX#288B1B

RGBrgb(40, 139, 27)

RGB (0–1)0.1569, 0.5451, 0.1059

RGB percentages15.7%, 54.5%, 10.6%

HSLhsl(113, 67.5%, 32.5%)

HSV / HSBhsv(113, 80.6%, 54.5%)

CMYK71.2%, 0%, 80.6%, 45.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,657,051

CSS custom property--colour: #288B1B;

Brightness & contrast

Relative luminance0.18995WCAG 2.x, 0 is black and 1 is white

Perceived brightness109.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 4.8:1

Contrast with white4.38:1WCAG normal text: Fail

Contrast with black4.8:1WCAG normal text: AA

Greyscale equivalent#6E6E6E

Inverted#D774E4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#8F7D00no red cones; affects about 1% of men; ΔE 45.9 from the original

Deuteranopia#837628no green cones; the most common form, about 1% of men; ΔE 44.6 from the original

Tritanopia#0F8676no blue cones; rare, and affects men and women equally; ΔE 49.9 from the original

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

Contrast with white, large text4.38:1WCAG large text: AA

Contrast with black, large text4.8:1WCAG large text: AAA

Named colours

Forest green · ΔE 2.7 Green · ΔE 5.7 Dark green · ΔE 16.6 Olivedrab · ΔE 21.3 Medium seagreen · ΔE 27.5 Sea green · ΔE 29.1

Nearest named CSS colourForest green (#228B22)ΔE 2.66, a close match

Hue familygreen

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#7E1B8B

Analogous#608B1B, #1B8B46

Triadic#1B288B, #8B1B28

Split complementary#461B8B, #8B1B60

Tetradic#1B608B, #7E1B8B, #8B461B

Tints, shades & saturation

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

Lighter +40%#95E88A

Lighter +30%#6EE05F

Lighter +20%#47D834

Lighter +10%#34B623

Darker −10%#1C6013

Darker −20%#0F360A

Darker −30%#030B02

Darker −40%#000000

More saturated +25%#18A006

Less saturated −25%#387630

Channel breakdown

R40

G139

B27

Red40 (15.7%)

Green139 (54.5%)

Blue27 (10.6%)

Hue113.04°

Saturation (HSL)67.47%

Lightness32.55%

Dominant channelGreen

Hex per channelR 28 · G 8B · B 1B

Keep nerding

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

#288B1B

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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