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#166A44 Color

#166A44 is rgb(22, 106, 68) in RGB, hsl(153, 66%, 25%) in HSL, and about cmyk(79%, 0%, 36%, 58%) in CMYK. It has no registered color name of its own — the closest is Dark Spring Green (#177245), clearly related but distinguishable side by side at ΔE 5.02. White text is the more readable choice on this background.

#166A44
HEX#166A44
RGBrgb(22, 106, 68)
HSLhsl(153, 66%, 25%)
HSVhsv(153, 79%, 42%)
CMYKcmyk(79%, 0%, 36%, 58%)
OKLCHoklch(46.6% 0.099 158.3)
LABlab(39.35% -32.72 14.14)
LCHlch(39.35% 35.65 156.62)

What #166A44 Is Called

Most hex codes have no name: there are 16.7 million of them and a few thousand registered names. These are the named colors nearest to #166A44, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Dark Spring Green#177245ΔE 5.02Cadmium Green#006B3CΔE 5.99Bottle Green#006A4EΔE 6.13Salem#177B4DΔE 8.18Amazon#3B7A57ΔE 8.62Dartmouth Green#00703CΔE 8.96

Browse the full index of named colors A-Z or every green in the library.

#166A44 Channel Values

How #166A44 breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.

ModelChannelsNotes
RGBR 22 · G 106 · B 688-bit channels as sent to the display
HSLH 153° · S 66% · L 25%Easiest model for building lighter and darker variants
HSVH 153° · S 79% · V 42%Matches the picker in most design tools
CMYKC 79% · M 0% · Y 36% · K 58%Approximate ink mix; confirm with an ICC profile before printing
Luminance6.61:1 vs white · 3.18:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #166A44 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1. Contrast is one check, not a full accessibility review.

TextWhite text6.61:1AA normal AA large AAA normal
Fails AABlack text3.18:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #166A44 in the contrast checker.

Colors That Go With #166A44

Pairings derived from color-wheel relationships. The complementary color sits opposite #166A44; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#166A44
Complementary
#6A163C
Analogous
#166A1A
Analogous
#16666A
Triadic
#44166A
Triadic
#6A4416
Split comp.
#6A1666
Split comp.
#6A1A16

Tints & Shades of #166A44

Lighter tints and darker shades built by moving the lightness channel while holding hue and saturation, which is what you want for hover states, backgrounds, and text variants.

Tints

#1E945F
#28C37D
#45D996
#73E2B0
#9EEBC8
#CCF5E2

Shades

#135D3C
#105034
#0E442B
#0B3723
#092A1B
#061E13

Want a full 50-950 ramp with semantic roles? Generate design tokens from #166A44.

How #166A44 Looks with Color Vision Deficiency

Simulated with the Viénot, Brettel & Mollon LMS projection model. Anomalous types are rendered as partial versions of the matching dichromacy, which is an approximation rather than a per-person clinical model.

Typical#166A44
Protanopia#626244
Protanomaly#4E6544
Deuteranopia#595946
Deuteranomaly#476045
Tritanopia#266666
Tritanomaly#20685A
Achromatopsia#5D5D5D

Test a full palette in the color blindness simulator.

Using #166A44 in Code

Copy-ready declarations for the places this color usually ends up.

CSS custom property--color-166a44: #166A44;
CSS backgroundbackground-color: #166A44;
Tailwind configcolors: { 'color-166a44': '#166A44' }
SwiftUIColor(red: 0.086, green: 0.416, blue: 0.267)
Android XML<color name="color_166a44">#166A44</color>
SVG fillfill="#166A44"

More Green Colors

#166A44 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.

000200fdfff5001f00f7fee7002400f7fbf5002c22f5fffa002e00f5fff5003300f0fff000800000db870d542b20483f33cc6646c3995ea50072863991e0b7a3f5d8bcd7bcd1ffed

#166A44 Frequently Asked Questions

What color is #166A44?

#166A44 is a dark green — rgb(22, 106, 68) in RGB and hsl(153, 66%, 25%) in HSL. It carries no registered color name of its own; the closest named color is Dark Spring Green (#177245), which is clearly related but distinguishable side by side at a CIE76 distance of 5.02.

What is the RGB value of #166A44?

#166A44 is rgb(22, 106, 68) — red 22, green 106, and blue 68 on the 0-255 scale.

What is the CMYK value of #166A44?

#166A44 converts to approximately cmyk(79%, 0%, 36%, 58%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #166A44 be black or white?

White text is the more readable choice. #166A44 scores 6.61:1 against white and 3.18:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #166A44 as a CSS color keyword?

No. #166A44 is not one of the CSS color keywords, so it has to be written as a hex, rgb() or hsl() value. The closest keyword is seagreen (#2E8B57) at a CIE76 distance of 14.26, which is visibly different.

Open #166A44 in a Tool

Hex to RGBHex to HSLHex to CMYKHex to OKLCHHex to PantoneBuild a paletteMake a gradient

Keep exploring: every green in the color library, the guide to shades of green, or the full color library.