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Recognised as Colour

#283B09

  • #283B09
  • Green
  • Dark
  • Nearest: Dark olivegreen

#283B09 is a green with RGB values 40, 59, 9 and HSL 83°, 74%, 13%. It is a dark colour, so white text on it reaches 12.2:1 contrast (AAA for normal text). The nearest named colour is Dark olivegreen.

Colour values

#283B09#283B09
HEX#283B09
RGBrgb(40, 59, 9)
RGB (0–1)0.1569, 0.2314, 0.0353
RGB percentages15.7%, 23.1%, 3.5%
HSLhsl(82.8, 73.5%, 13.3%)
HSV / HSBhsv(82.8, 84.7%, 23.1%)
CMYK32.2%, 0%, 84.7%, 76.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,636,553
CSS custom property--colour: #283B09;

Brightness & contrast

Relative luminance0.03599WCAG 2.x, 0 is black and 1 is white
Perceived brightness50.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.21:1
Contrast with white12.21:1WCAG normal text: AAA
Contrast with black1.72:1WCAG normal text: Fail
Greyscale equivalent#333333
Inverted#D7C4F6

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3E3602no red cones; affects about 1% of men; ΔE 14.4 from the original
Deuteranopia#3C350Eno green cones; the most common form, about 1% of men; ΔE 14.3 from the original
Tritanopia#2A3831no blue cones; rare, and affects men and women equally; ΔE 25.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.21:1WCAG large text: AAA
Contrast with black, large text1.72:1WCAG large text: Fail

Named colours

Dark olivegreen · ΔE 20.4Dark slate grey · ΔE 32.1Dark green · ΔE 33.8Sea green · ΔE 37.8Dim grey · ΔE 38.4Black · ΔE 38.5
Nearest named CSS colourDark olivegreen (#556B2F)ΔE 20.44, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#1C093B
Analogous#3B3509, #0F3B09
Triadic#09283B, #3B0928
Split complementary#090F3B, #35093B
Tetradic#093B35, #1C093B, #3B090F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9DE030
Lighter +30%#82C01D
Lighter +20%#649416
Lighter +10%#466710
Darker −10%#0A0F02
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#2A4400
Less saturated −25%#263311

Channel breakdown

R40
G59
B9
Red40 (15.7%)
Green59 (23.1%)
Blue9 (3.5%)
Hue82.8°
Saturation (HSL)73.53%
Lightness13.33%
Dominant channelGreen
Hex per channelR 28 · G 3B · B 09

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Every value on this page was computed from “283b09” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.