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Colour

#647F4C

  • #647F4C
  • Green
  • Dark
  • Nearest: Dark olivegreen

#647F4C is a green with RGB values 100, 127, 76 and HSL 92°, 25%, 40%. It is a dark colour, so black text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Dark olivegreen.

Colour values

#647F4C#647F4C
HEX#647F4C
RGBrgb(100, 127, 76)
RGB (0–1)0.3922, 0.498, 0.298
RGB percentages39.2%, 49.8%, 29.8%
HSLhsl(91.8, 25.1%, 39.8%)
HSV / HSBhsv(91.8, 40.2%, 49.8%)
CMYK21.3%, 0%, 40.2%, 50.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,586,188
CSS custom property--colour: #647F4C;

Brightness & contrast

Relative luminance0.1841WCAG 2.x, 0 is black and 1 is white
Perceived brightness114.5 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#767676
Inverted#9B80B3

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#837848no red cones; affects about 1% of men; ΔE 16.8 from the original
Deuteranopia#7F764Fno green cones; the most common form, about 1% of men; ΔE 16.8 from the original
Tritanopia#657B72no blue cones; rare, and affects men and women equally; ΔE 24.3 from the original
Distinguishable without hueYesnever 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

Dark olivegreen · ΔE 9.8Sea green · ΔE 20.8Dark seagreen · ΔE 23.5Olivedrab · ΔE 27Dark khaki · ΔE 29.6Gray · ΔE 31.6
Nearest named CSS colourDark olivegreen (#556B2F)ΔE 9.81, clearly different but related
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#674C7F
Analogous#7E7F4C, #4C7F4E
Triadic#4C647F, #7F4C64
Split complementary#4E4C7F, #7F4C7E
Tetradic#4C7E7F, #674C7F, #7F4E4C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CBD8BF
Lighter +30%#B1C59F
Lighter +20%#97B27F
Lighter +10%#7D9F5F
Darker −10%#4B5F39
Darker −20%#323F26
Darker −30%#191F13
Darker −40%#000000
More saturated +25%#639833
Less saturated −25%#656665

Channel breakdown

R100
G127
B76
Red100 (39.2%)
Green127 (49.8%)
Blue76 (29.8%)
Hue91.76°
Saturation (HSL)25.12%
Lightness39.8%
Dominant channelGreen
Hex per channelR 64 · G 7F · B 4C

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Every value on this page was computed from “647f4c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.