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Recognised as Colour

#212C23

  • #212C23
  • Green
  • Dark
  • Nearest: Dark slate grey

#212C23 is a green with RGB values 33, 44, 35 and HSL 131°, 14%, 15%. It is a dark colour, so white text on it reaches 14.5:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#212C23#212C23
HEX#212C23
RGBrgb(33, 44, 35)
RGB (0–1)0.1294, 0.1725, 0.1373
RGB percentages12.9%, 17.3%, 13.7%
HSLhsl(130.9, 14.3%, 15.1%)
HSV / HSBhsv(130.9, 25%, 17.3%)
CMYK25%, 0%, 20.5%, 82.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,173,987
CSS custom property--colour: #212C23;

Brightness & contrast

Relative luminance0.02246WCAG 2.x, 0 is black and 1 is white
Perceived brightness40 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.49:1
Contrast with white14.49:1WCAG normal text: AAA
Contrast with black1.45:1WCAG normal text: Fail
Greyscale equivalent#292929
Inverted#DED3DC

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2C2A23no red cones; affects about 1% of men; ΔE 6.5 from the original
Deuteranopia#2A2923no green cones; the most common form, about 1% of men; ΔE 6.2 from the original
Tritanopia#202C29no blue cones; rare, and affects men and women equally; ΔE 4.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text14.49:1WCAG large text: AAA
Contrast with black, large text1.45:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 17.2Black · ΔE 18.7Dim grey · ΔE 28.9Gray · ΔE 37.8Dark olivegreen · ΔE 38.5Slate grey · ΔE 39.4
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 17.25, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#2C212A
Analogous#252C21, #212C29
Triadic#23212C, #2C2321
Split complementary#29212C, #2C2125
Tetradic#21252C, #2C212A, #2C2921

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7C9D82
Lighter +30%#638369
Lighter +20%#4D6651
Lighter +10%#37493A
Darker −10%#0B0F0C
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#17361D
Less saturated −25%#272727

Channel breakdown

R33
G44
B35
Red33 (12.9%)
Green44 (17.3%)
Blue35 (13.7%)
Hue130.91°
Saturation (HSL)14.29%
Lightness15.1%
Dominant channelGreen
Hex per channelR 21 · G 2C · B 23

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Every value on this page was computed from “212c23” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.