#37817F Color
#37817F is rgb(55, 129, 127) in RGB, hsl(178, 40%, 36%) in HSL, and about cmyk(57%, 0%, 2%, 49%) in CMYK. It has no registered color name of its own — the closest is Myrtle Green (#317873), very hard to tell apart at ΔE 3.97. Black text is the more readable choice on this background.
#37817Frgb(55, 129, 127)hsl(178, 40%, 36%)hsv(178, 57%, 51%)cmyk(57%, 0%, 2%, 49%)oklch(55.6% 0.073 192.8)lab(49.34% -24.24 -6.25)lch(49.34% 25.03 194.45)What #37817F 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 #37817F, 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 teal in the library.
#37817F Channel Values
How #37817F 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 55 · G 129 · B 127 | 8-bit channels as sent to the display |
| HSL | H 178° · S 40% · L 36% | Easiest model for building lighter and darker variants |
| HSV | H 178° · S 57% · V 51% | Matches the picker in most design tools |
| CMYK | C 57% · M 0% · Y 2% · K 49% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 4.56:1 vs white · 4.61:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #37817F 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 #37817F in the contrast checker.
Colors That Go With #37817F
Pairings derived from color-wheel relationships. The complementary color sits opposite #37817F; 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 #37817F
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 #37817F.
How #37817F 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.
#37817F#78787F#647C7F#6F6F80#5E7780#388181#378180#767676Using #37817F in Code
Copy-ready declarations for the places this color usually ends up.
--color-37817f: #37817F;background-color: #37817F;colors: { 'color-37817f': '#37817F' }Color(red: 0.216, green: 0.506, blue: 0.498)<color name="color_37817f">#37817F</color>fill="#37817F"More Teal Colors
#37817F sits in the teal family. These are its neighbours across that family's full range, each with its own breakdown.
#37817F Frequently Asked Questions
What color is #37817F?
#37817F is a dark teal — rgb(55, 129, 127) in RGB and hsl(178, 40%, 36%) in HSL. It carries no registered color name of its own; the closest named color is Myrtle Green (#317873), which is very hard to tell apart at a CIE76 distance of 3.97.
What is the RGB value of #37817F?
#37817F is rgb(55, 129, 127) — red 55, green 129, and blue 127 on the 0-255 scale.
What is the CMYK value of #37817F?
#37817F converts to approximately cmyk(57%, 0%, 2%, 49%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #37817F be black or white?
Black text is the more readable choice. #37817F scores 4.56:1 against white and 4.61:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #37817F as a CSS color keyword?
No. #37817F 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 6.86, which is clearly related but distinguishable side by side.
Open #37817F in a Tool
Keep exploring: every teal in the color library, the guide to shades of teal, or the full color library.