Color
#006366
#006366rgb(0, 99, 102)hsl(182, 100%, 20%)oklch(0.454 0.077 198.4)Colors that go with #006366
Crimson, Cadet Blue and Copper 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.
Crimson #dc143c
complementaryshippedCrimson sits directly opposite #006366 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Cadet Blue #5f9ea0
shippedCadet Blue is paired with #006366 in 4 real palettes, including Alpine and Open House, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Copper #b87333
shippedCopper is paired with #006366 in 4 real palettes, including Desert Road and Dusk, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Goldenrod #daa520
shippedGoldenrod is paired with #006366 in 4 real palettes, including Fireside and Mid-Century, as the accent — a combination designers have actually shipped, not a computed rotation.
Medium Sea Green #3cb371
shippedMedium Sea Green is paired with #006366 in 4 real palettes, including Mint Modern and Console Light, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Midnight Blue #191970
shippedMidnight Blue is paired with #006366 in 5 real palettes, including Open House and FIFA's brand system, as the text colour against it — a combination designers have actually shipped, not a computed rotation.
Royal Blue #4169e1
shippedRoyal Blue is paired with #006366 in 4 real palettes, including GitHub's brand system and Stripe's brand system, as the accent — a combination designers have actually shipped, not a computed rotation.
White Smoke #f5f5f5
neutralWhite Smoke is the surface for #006366: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy.
Real palettes that use #006366
Tints & shades
Harmonies
Contrast
| #006366 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 7.06:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 2.98:1 | fail | fail | fail |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #006366 as the background.
Brands using this color
Fonts for this mood
#006366 reads as cool, vivid, dark. 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 #006366 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/006366-a2babe-d45990-1f272d-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