#0A5739 Color
#0A5739 is rgb(10, 87, 57) in RGB, hsl(157, 79%, 19%) in HSL, and about cmyk(89%, 0%, 34%, 66%) in CMYK. It has no registered color name of its own — the closest is Bottle Green (#006A4E), clearly related but distinguishable side by side at ΔE 8.72. White text is the more readable choice on this background.
#0A5739rgb(10, 87, 57)hsl(157, 79%, 19%)hsv(157, 89%, 34%)cmyk(89%, 0%, 34%, 66%)oklch(40.5% 0.086 160.6)lab(32.14% -28.99 10.99)lch(32.14% 31.01 159.24)What #0A5739 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 #0A5739, 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.
#0A5739 Channel Values
How #0A5739 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 10 · G 87 · B 57 | 8-bit channels as sent to the display |
| HSL | H 157° · S 79% · L 19% | Easiest model for building lighter and darker variants |
| HSV | H 157° · S 89% · V 34% | Matches the picker in most design tools |
| CMYK | C 89% · M 0% · Y 34% · K 66% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 8.62:1 vs white · 2.44:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #0A5739 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 #0A5739 in the contrast checker.
Colors That Go With #0A5739
Pairings derived from color-wheel relationships. The complementary color sits opposite #0A5739; 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 #0A5739
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 #0A5739.
How #0A5739 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.
#0A5739#505039#3F5339#48483B#384E3A#195454#14554B#4C4C4CUsing #0A5739 in Code
Copy-ready declarations for the places this color usually ends up.
--color-0a5739: #0A5739;background-color: #0A5739;colors: { 'color-0a5739': '#0A5739' }Color(red: 0.039, green: 0.341, blue: 0.224)<color name="color_0a5739">#0A5739</color>fill="#0A5739"More Green Colors
#0A5739 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.
#0A5739 Frequently Asked Questions
What color is #0A5739?
#0A5739 is a darkest green — rgb(10, 87, 57) in RGB and hsl(157, 79%, 19%) in HSL. It carries no registered color name of its own; the closest named color is Bottle Green (#006A4E), which is clearly related but distinguishable side by side at a CIE76 distance of 8.72.
What is the RGB value of #0A5739?
#0A5739 is rgb(10, 87, 57) — red 10, green 87, and blue 57 on the 0-255 scale.
What is the CMYK value of #0A5739?
#0A5739 converts to approximately cmyk(89%, 0%, 34%, 66%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #0A5739 be black or white?
White text is the more readable choice. #0A5739 scores 8.62:1 against white and 2.44:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #0A5739 as a CSS color keyword?
No. #0A5739 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 22.45, which is visibly different.
Open #0A5739 in a Tool
Keep exploring: every green in the color library, the guide to shades of green, or the full color library.