Named color
Hidden Sea Glass
#6fd1c9rgb(111, 209, 201)hsl(175, 52%, 63%)oklch(0.799 0.094 188.5)Hidden Sea Glass on this page is the real value, not a screenshot: exact hex, RGB, HSL and OKLCH, ten tints and ten shades, classic harmonies, and WCAG contrast with fixes — plus the curated palettes it appears in and any public brand that adopts it.
Colors that go with Hidden Sea Glass
Charcoal, Light Coral 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 text near-black for Hidden Sea Glass: softer than #000 and cool enough to feel like part of the same palette.
Light Coral #f08080
complementaryshippedLight Coral sits directly opposite Hidden Sea Glass on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Blue #0000ff
shipped4 real palettes, including Uber's brand system and Canva's brand system put Blue beside Hidden Sea Glass, as the accent.
Crimson #dc143c
shippedCrimson is paired with Hidden Sea Glass in 4 real palettes, including Tiffany & Co.'s brand system and Frost & Ember, as the supporting colour.
Deep Sky Blue #00bfff
shippedDesigners have shipped Deep Sky Blue with Hidden Sea Glass: 6 real palettes, including Salesforce's brand system and Max's brand system, as the lead colour.
Dodger Blue #1e90ff
shippedDesigners have shipped Dodger Blue with Hidden Sea Glass: 4 real palettes, including Patreon's brand system and Opensea's brand system, as the accent.
Plum #dda0dd
triadicshippedPlum completes a triad with Hidden Sea Glass — 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 Hidden Sea Glass in 5 real palettes, including Docker's brand system and Brilliant's brand system, as the supporting colour.
Real palettes that use Hidden Sea Glass
Tints & shades
Harmonies
Contrast
| Hidden Sea Glass as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 1.8:1 | fail | fail | fail | |
Aaon black | 11.64:1 | 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 Hidden Sea Glass 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 #6fd1c9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/6fd1c9-a2bdbe-d4599f-1f282d-e9f1ed?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