Color
#399e1a
#399e1argb(57, 158, 26)hsl(106, 72%, 36%)oklch(0.616 0.187 139.9)Colors that go with #399e1a
Charcoal, Crimson and Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.
Charcoal #36454f
neutralshippedCharcoal is the body-text near-black for #399e1a: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Crimson #dc143c
triadicshippedCrimson completes a triad with #399e1a — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Blue #0000ff
shipped4 real palettes, including Instacart's brand system and Spotify's brand system put Blue beside #399e1a, as the accent.
Denim #1560bd
shippedDesigners have shipped Denim with #399e1a: 5 real palettes, including Xbox's brand system and Intel's brand system, as the supporting colour.
Dodger Blue #1e90ff
triadicshippedDodger Blue completes a triad with #399e1a — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Royal Blue #4169e1
shippedRoyal Blue is paired with #399e1a in 5 real palettes, including Console Light and Telehealth, as the lead colour.
Taupe #483c32
shippedTaupe is paired with #399e1a in 6 real palettes, including Instacart's brand system and Acer's brand system, as the lead colour.
Medium Slate Blue #7b68ee
split-complementshippedMedium Slate Blue is a split-complement of #399e1a: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Real palettes that use #399e1a
Tints & shades
Harmonies
Contrast
| #399e1a as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3.45:1 | fail | pass | fail | |
Aaon black | 6.08:1 | pass | pass | fail |
|
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #399e1a as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
›analyze #399e1a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/399e1a-a5bea2-774edf-1f2d22-eff1e9?lock=0&style=vibrantWant the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.
Machine-readable: color.md