What Color Is #15CA5C?

At 144° on the hue wheel, #15CA5C lands firmly in the green family. Its 81% saturation gives it a vivid, attention-grabbing quality, while 44% lightness positions it as a deep variant — balanced for both text overlays and background use.

Color Meaning of #15CA5C

Colors in the green family are associated with growth, balance, and harmony. As a deep variant, #15CA5C amplifies those associations with depth and gravity, lending authority to any composition.

Where to Use HEX Code #15CA5C

Hero sections and full-width banners where deep green tones anchor the page hierarchy
CTA buttons and interactive elements — the deep depth ensures visibility against light backgrounds
Navigation bars and sidebar accents that need to feel grounded and persistent
Data visualization charts where this green shade differentiates data series coherently
Icon fills and badge backgrounds that require consistent recognition across screen sizes
Email template accents where rendering fidelity across mail clients matters

Similar HEX Color Codes

HEX Code #15CA5C in Design Systems

To implement #15CA5C effectively in a design system, define it as a CSS custom property: :root { --color-green-deep: #15CA5C; }. This single definition propagates to every component referencing the token, and a palette update requires changing just one line.

Accessibility testing is essential. With a perceived brightness of 135/255, pair it with dark text (#1F2937 or darker) on light backgrounds to meet the 4.5:1 WCAG AA threshold. It works well as a surface color or decorative accent.

FAQ About HEX Color Code #15CA5C

What color is #15CA5C?
#15CA5C produces a deep green tone. The RGB breakdown (21, 202, 92) shows how the three light channels combine to create this specific green hue at 144° on the color wheel.
Is #15CA5C a dark or light color?
#15CA5C registers as a light color at 135/255 perceived brightness. In practical terms, dark text (#1F2937) is the recommended foreground.
What colors go well with #15CA5C?
Complementary pairing (≈324° hue) creates energetic contrast with #15CA5C. Split-complementary (±150°) adds variety with less tension. Monochromatic schemes — lighter and darker green shades — are the safest harmonious option.
Can I use #15CA5C for branding?
#15CA5C can serve as a primary or secondary brand color. Before committing, verify it renders well in both RGB (screens) and CMYK (print), test it against competitor palettes for differentiation, and confirm it meets WCAG contrast requirements in all planned applications.
How do I convert #15CA5C to other color formats?
Convert #15CA5C to RGB(21, 202, 92) by splitting the hex into three pairs and converting each from base-16 to base-10. HSL(144°, 81%, 44%) is derived from the RGB values using the standard algorithm. Visit our HEX to HSL converter for additional formats.