Colour
#171C19
- #171C19
- Green
- Dark
- Nearest: Black
#171C19 is a green with RGB values 23, 28, 25 and HSL 144°, 10%, 10%. It is a dark colour, so white text on it reaches 17.3:1 contrast (AAA for normal text). The nearest named colour is Black.
Colour values
#171C19#171C19
HEX#171C19
RGBrgb(23, 28, 25)
RGB (0–1)0.0902, 0.1098, 0.098
RGB percentages9%, 11%, 9.8%
HSLhsl(144, 9.8%, 10%)
HSV / HSBhsv(144, 17.9%, 11%)
CMYK17.9%, 0%, 10.7%, 89%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,514,521
CSS custom property--colour: #171C19;
Brightness & contrast
Relative luminance0.01083WCAG 2.x, 0 is black and 1 is white
Perceived brightness26.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 17.26:1
Contrast with white17.26:1WCAG normal text: AAA
Contrast with black1.22:1WCAG normal text: Fail
Greyscale equivalent#1B1B1B
Inverted#E8E3E6
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text17.26:1WCAG large text: AAA
Contrast with black, large text1.22:1WCAG large text: Fail
Named colours
Hue familygreen
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#1C171A
Analogous#181C17, #171C1C
Triadic#19171C, #1C1917
Split complementary#1C171C, #1C1718
Tetradic#17181C, #1C171A, #1C1C17
Tints, shades & saturation
Channel breakdown
R23
G28
B25
Red23 (9%)
Green28 (11%)
Blue25 (9.8%)
Hue144°
Saturation (HSL)9.8%
Lightness10%
Dominant channelGreen
Hex per channelR 17 · G 1C · B 19
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