All About Color #1B4B21

#1B4B21

About #1B4B21

#1B4B21 is a dark green color with the hex code #1B4B21. In RGB it is red 27, green 75, blue 33; in HSL it is hue 128°, saturation 47%, lightness 20%; in CMYK it is 64%, 0%, 56%, 71%. Its contrast ratio is 10.12:1 on white and 2.07:1 on black.

#1B4B21 Color Conversion

Hex triplet1B, 4B, 21
CMYK64.00%, 0.00%, 56.00%, 70.59%
RGB Decimal27, 75, 33
HSL128°, 47%, 20%
RGB Octal33, 113, 41
HSV (HSB)127.50°, 64.00%, 29.41%
RGB Binary11011, 1001011, 100001
CIE-L*AB27.78, -26.53, 20.15
RGB Percent10.59%, 29.41%, 12.94%
CIE-L*CH27.78, 33.32, 142.79
XYZ3.24, 5.37, 2.31
CIE-L*UV27.78, -19.85, 23.31
xyY0.30, 0.49, 5.37
Hunter-Lab23.18, -15.61, 10.33
RYB10.59%, 27.32%, 29.41%

Color Accessibility Scores

#1B4B21 on a dark background: contrast 2.07:1, fails WCAG AA.
#1B4B21 on a light background: contrast 10.12:1, passes WCAG AAA.

Color Shades

Tints and shades of #1B4B21, from lightest to darkest. Each swatch links to its own color page.

Related Palettes

Harmonious five-color palettes built around #1B4B21. Open any of them in the Muzli palette generator.

Complementary palette

#1B4B21 · #338E40 · #071308 · #4B1B45 · #8E3382

Analogous palette

#454B1B · #2D4B1B · #1B4B21 · #1B4B39 · #1B454B

Triadic palette

#1B4B21 · #211B4B · #4B211B · #338E40 · #40338E

Tetradic palette

#1B4B21 · #1B2D4B · #4B1B45 · #4B391B · #071308

Monochromatic palette

#071308 · #071308 · #1B4B21 · #2F833A · #44BB54

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