Fintech Trust
Open in tool →Navy signals custody and stability; the green accent is money moving the right way. No red anywhere except errors.
Color
#37a978
#37a978
hex
#37a978rgb
rgb(55, 169, 120)hsl
hsl(154, 51%, 44%)oklch
oklch(0.658 0.126 160.9)Closest name: Cosmic Green (#30a877)Relative luminance 0.3054
Colors that go with #37a978
Charcoal, Blue and Crimson 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 text near-black for #37a978: softer than #000 and cool enough to feel like part of the same palette.
Blue #0000ff
shipped4 real palettes, including Unity's brand system and Spotify's brand system put Blue beside #37a978, as the supporting colour.
Crimson #dc143c
shippedCrimson is paired with #37a978 in 5 real palettes, including DuckDuckGo's brand system and Diner, as the supporting colour.
Denim #1560bd
shippedDesigners have shipped Denim with #37a978: 5 real palettes, including Peacock and Intel's brand system, as the supporting colour.
Midnight Blue #191970
shipped5 real palettes, including Fintech Trust and Telehealth put Midnight Blue beside #37a978, as the text colour against it.
Royal Blue #4169e1
shippedRoyal Blue is paired with #37a978 in 7 real palettes, including Khan Academy's brand system and Console Light, as the accent.
Slate Gray #708090
shipped4 real palettes, including Indigo SaaS and Ledger Dark put Slate Gray beside #37a978, as the supporting colour.
Deep Pink #ff1493
complementaryDeep Pink sits directly opposite #37a978 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Real palettes that use #37a978
Tints & shades
Harmonies
Contrast
| #37a978 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2.95:1 | fail | fail | fail | |
Aaon black | 7.11:1 | pass | pass | pass | Passes AAA — no fix needed. |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #37a978 as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
Palettes built around it
mcpConnect your agent — build around #37a978
live endpointPoint 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.
endpoint
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt
›analyze #37a978 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/37a978-a2beb5-d459ca-1f2d2d-e9f1ea?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