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Recognised as Colour

#31664B

  • #31664B
  • Green
  • Dark
  • Nearest: Dark slate grey

#31664B is a green with RGB values 49, 102, 75 and HSL 149°, 35%, 30%. It is a dark colour, so white text on it reaches 6.7:1 contrast (AA for normal text). The nearest named colour is Dark slate grey.

Colour values

#31664B#31664B
HEX#31664B
RGBrgb(49, 102, 75)
RGB (0–1)0.1922, 0.4, 0.2941
RGB percentages19.2%, 40%, 29.4%
HSLhsl(149.4, 35.1%, 29.6%)
HSV / HSBhsv(149.4, 52%, 40%)
CMYK52%, 0%, 26.5%, 60%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,237,451
CSS custom property--colour: #31664B;

Brightness & contrast

Relative luminance0.10664WCAG 2.x, 0 is black and 1 is white
Perceived brightness86.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.7:1
Contrast with white6.7:1WCAG normal text: AA
Contrast with black3.13:1WCAG normal text: Fail
Greyscale equivalent#595959
Inverted#CE99B4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#655F49no red cones; affects about 1% of men; ΔE 23.5 from the original
Deuteranopia#5D5A4Dno green cones; the most common form, about 1% of men; ΔE 23.5 from the original
Tritanopia#22665Fno blue cones; rare, and affects men and women equally; ΔE 12.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.7:1WCAG large text: AAA
Contrast with black, large text3.13:1WCAG large text: AA

Named colours

Dark slate grey · ΔE 20.4Teal · ΔE 21Dark olivegreen · ΔE 21.7Sea green · ΔE 22Dark cyan · ΔE 23.8Dim grey · ΔE 27.2
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 20.37, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#66314C
Analogous#316631, #316666
Triadic#4B3166, #664B31
Split complementary#663166, #663131
Tetradic#313166, #66314C, #666631

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#96CDB1
Lighter +30%#74BC97
Lighter +20%#52AB7E
Lighter +10%#428864
Darker −10%#204432
Darker −20%#102118
Darker −30%#000000
Darker −40%#000000
More saturated +25%#1E794B
Less saturated −25%#44534B

Channel breakdown

R49
G102
B75
Red49 (19.2%)
Green102 (40%)
Blue75 (29.4%)
Hue149.43°
Saturation (HSL)35.1%
Lightness29.61%
Dominant channelGreen
Hex per channelR 31 · G 66 · B 4B

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Every value on this page was computed from “31664b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.