#175E51 Color
#175E51 is rgb(23, 94, 81) in RGB, hsl(169, 61%, 23%) in HSL, and about cmyk(76%, 0%, 14%, 63%) in CMYK. It has no registered color name of its own — the closest is Peacock (#005F5F), clearly related but distinguishable side by side at ΔE 8.18. White text is the more readable choice on this background.
#175E51rgb(23, 94, 81)hsl(169, 61%, 23%)hsv(169, 76%, 37%)cmyk(76%, 0%, 14%, 63%)oklch(43.5% 0.072 177.7)lab(35.43% -25.07 0.89)lch(35.43% 25.09 177.96)What #175E51 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 #175E51, 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.
#175E51 Channel Values
How #175E51 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 23 · G 94 · B 81 | 8-bit channels as sent to the display |
| HSL | H 169° · S 61% · L 23% | Easiest model for building lighter and darker variants |
| HSV | H 169° · S 76% · V 37% | Matches the picker in most design tools |
| CMYK | C 76% · M 0% · Y 14% · K 63% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 7.62:1 vs white · 2.76:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #175E51 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 #175E51 in the contrast checker.
Colors That Go With #175E51
Pairings derived from color-wheel relationships. The complementary color sits opposite #175E51; 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 #175E51
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 #175E51.
How #175E51 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.
#175E51#575751#455A51#4F4F52#3F5552#1D5C5C#1B5D58#545454Using #175E51 in Code
Copy-ready declarations for the places this color usually ends up.
--color-175e51: #175E51;background-color: #175E51;colors: { 'color-175e51': '#175E51' }Color(red: 0.090, green: 0.369, blue: 0.318)<color name="color_175e51">#175E51</color>fill="#175E51"More Green Colors
#175E51 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.
#175E51 Frequently Asked Questions
What color is #175E51?
#175E51 is a dark green — rgb(23, 94, 81) in RGB and hsl(169, 61%, 23%) in HSL. It carries no registered color name of its own; the closest named color is Peacock (#005F5F), which is clearly related but distinguishable side by side at a CIE76 distance of 8.18.
What is the RGB value of #175E51?
#175E51 is rgb(23, 94, 81) — red 23, green 94, and blue 81 on the 0-255 scale.
What is the CMYK value of #175E51?
#175E51 converts to approximately cmyk(76%, 0%, 14%, 63%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #175E51 be black or white?
White text is the more readable choice. #175E51 scores 7.62:1 against white and 2.76:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #175E51 as a CSS color keyword?
No. #175E51 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 darkslategray (#2F4F4F) at a CIE76 distance of 14.34, which is visibly different.
Open #175E51 in a Tool
Keep exploring: every green in the color library, the guide to shades of green, or the full color library.