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Recognised as Colour

#2B663D

  • #2B663D
  • Green
  • Dark
  • Nearest: Sea green

#2B663D is a green with RGB values 43, 102, 61 and HSL 138°, 41%, 28%. It is a dark colour, so white text on it reaches 6.8:1 contrast (AA for normal text). The nearest named colour is Sea green.

Colour values

#2B663D#2B663D
HEX#2B663D
RGBrgb(43, 102, 61)
RGB (0–1)0.1686, 0.4, 0.2392
RGB percentages16.9%, 40%, 23.9%
HSLhsl(138.3, 40.7%, 28.4%)
HSV / HSBhsv(138.3, 57.8%, 40%)
CMYK57.8%, 0%, 40.2%, 60%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,844,221
CSS custom property--colour: #2B663D;

Brightness & contrast

Relative luminance0.10353WCAG 2.x, 0 is black and 1 is white
Perceived brightness84.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.84:1
Contrast with white6.84:1WCAG normal text: AA
Contrast with black3.07:1WCAG normal text: Fail
Greyscale equivalent#565656
Inverted#D499C2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#665E3Ano red cones; affects about 1% of men; ΔE 27.2 from the original
Deuteranopia#5E5840no green cones; the most common form, about 1% of men; ΔE 27.7 from the original
Tritanopia#1C645Cno blue cones; rare, and affects men and women equally; ΔE 20.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.84:1WCAG large text: AAA
Contrast with black, large text3.07:1WCAG large text: AA

Named colours

Sea green · ΔE 16.9Dark olivegreen · ΔE 17.2Teal · ΔE 27.8Dark green · ΔE 28.2Dark slate grey · ΔE 28.6Dark cyan · ΔE 29.9
Nearest named CSS colourSea green (#2E8B57)ΔE 16.85, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#662B54
Analogous#37662B, #2B665B
Triadic#3D2B66, #663D2B
Split complementary#5B2B66, #662B36
Tetradic#2B3666, #662B54, #665A2B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8ECFA2
Lighter +30%#6AC084
Lighter +20%#49AE68
Lighter +10%#3A8A52
Darker −10%#1C4228
Darker −20%#0D1E12
Darker −30%#000000
Darker −40%#000000
More saturated +25%#197836
Less saturated −25%#3D5444

Channel breakdown

R43
G102
B61
Red43 (16.9%)
Green102 (40%)
Blue61 (23.9%)
Hue138.31°
Saturation (HSL)40.69%
Lightness28.43%
Dominant channelGreen
Hex per channelR 2B · G 66 · B 3D

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Every value on this page was computed from “2b663d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.