Color
#6dd5df
#6dd5dfrgb(109, 213, 223)hsl(185, 64%, 65%)oklch(0.815 0.097 203.7)Colors that go with #6dd5df
Charcoal, Deep Sky Blue and Dark Salmon 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 #6dd5df: softer than #000 and cool enough to feel like part of the same palette.
Deep Sky Blue #00bfff
analogousshippedDeep Sky Blue is #6dd5df's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Dark Salmon #e9967a
complementaryshippedDark Salmon sits directly opposite #6dd5df on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Crimson #dc143c
shippedCrimson is paired with #6dd5df in 4 real palettes, including Tiffany & Co.'s brand system and Frost & Ember, as the supporting colour.
Dodger Blue #1e90ff
shippedDesigners have shipped Dodger Blue with #6dd5df: 5 real palettes, including Patreon's brand system and Opensea's brand system, as the accent.
Midnight Blue #191970
shipped4 real palettes, including Telehealth and First Snow put Midnight Blue beside #6dd5df, as the text colour against it.
Plum #dda0dd
split-complementshippedPlum is a split-complement of #6dd5df: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Slate Gray #708090
shipped7 real palettes, including Still Water and Dusty Blue put Slate Gray beside #6dd5df, as the lead colour.
Real palettes that use #6dd5df
Tints & shades
Harmonies
Contrast
| #6dd5df as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 1.72:1 | fail | fail | fail | |
Aaon black | 12.23:1 | 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 #6dd5df as the background.
Brands using this color
Fonts for this mood
#6dd5df reads as cool, vivid, technical. The font library is tagged with the same vocabulary:
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 #6dd5df and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/6dd5df-a2b8be-df4e88-1f262d-e9f1ee?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