#166A5A Color
#166A5A is rgb(22, 106, 90) in RGB, hsl(169, 66%, 25%) in HSL, and about cmyk(79%, 0%, 15%, 58%) in CMYK. It has no registered color name of its own — the closest is Tropical Rain Forest (#00755E), clearly related but distinguishable side by side at ΔE 7.16. White text is the more readable choice on this background.
#166A5Argb(22, 106, 90)hsl(169, 66%, 25%)hsv(169, 79%, 42%)cmyk(79%, 0%, 15%, 58%)oklch(47.2% 0.081 176.5)lab(39.80% -28.39 1.68)lch(39.80% 28.44 176.61)What #166A5A 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 #166A5A, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.
Browse the full index of named colors A-Z or every green in the library.
#166A5A Channel Values
How #166A5A breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.
| Model | Channels | Notes |
|---|---|---|
| RGB | R 22 · G 106 · B 90 | 8-bit channels as sent to the display |
| HSL | H 169° · S 66% · L 25% | Easiest model for building lighter and darker variants |
| HSV | H 169° · S 79% · V 42% | Matches the picker in most design tools |
| CMYK | C 79% · M 0% · Y 15% · K 58% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 6.47:1 vs white · 3.24:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #166A5A 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.
Need a specific ratio against another background? Open #166A5A in the contrast checker.
Colors That Go With #166A5A
Pairings derived from color-wheel relationships. The complementary color sits opposite #166A5A; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.
Tints & Shades of #166A5A
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.
Want a full 50-950 ramp with semantic roles? Generate design tokens from #166A5A.
How #166A5A 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.
#166A5A#62625A#4E655A#59595C#47605B#1F6868#1B6963#5E5E5EUsing #166A5A in Code
Copy-ready declarations for the places this color usually ends up.
--color-166a5a: #166A5A;background-color: #166A5A;colors: { 'color-166a5a': '#166A5A' }Color(red: 0.086, green: 0.416, blue: 0.353)<color name="color_166a5a">#166A5A</color>fill="#166A5A"More Green Colors
#166A5A sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.
#166A5A Frequently Asked Questions
What color is #166A5A?
#166A5A is a dark green — rgb(22, 106, 90) in RGB and hsl(169, 66%, 25%) in HSL. It carries no registered color name of its own; the closest named color is Tropical Rain Forest (#00755E), which is clearly related but distinguishable side by side at a CIE76 distance of 7.16.
What is the RGB value of #166A5A?
#166A5A is rgb(22, 106, 90) — red 22, green 106, and blue 90 on the 0-255 scale.
What is the CMYK value of #166A5A?
#166A5A converts to approximately cmyk(79%, 0%, 15%, 58%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #166A5A be black or white?
White text is the more readable choice. #166A5A scores 6.47:1 against white and 3.24:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #166A5A as a CSS color keyword?
No. #166A5A 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 teal (#008080) at a CIE76 distance of 13.58, which is visibly different.
Open #166A5A in a Tool
Keep exploring: every green in the color library, the guide to shades of green, or the full color library.