Deep Water
Open in tool →Cyan and mid-blue on abyss navy with a foam highlight — the ocean at depth; the darker the surface, the brighter the water.
Named color
Castle in the Sky
#d1eaed
hex
#d1eaedrgb
rgb(209, 234, 237)hsl
hsl(186, 44%, 87%)oklch
oklch(0.92 0.027 205.4)Relative luminance 0.7852
Castle In The Sky 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 Castle in the Sky
Charcoal, Amber 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 that reads cleanly against Castle in the Sky without the hard edge of pure #000.
Amber #ffbf00
shippedAmber is paired with Castle in the Sky in 21 real palettes, including Blueprint and Trailhead, as the accent.
Blue #0000ff
shipped47 real palettes, including Dropbox's brand system and Binance's brand system put Blue beside Castle in the Sky, as the accent.
Blue Violet #8a2be2
shippedBlue Violet is paired with Castle in the Sky in 12 real palettes, including Gemstone and ClickUp's brand system, as the supporting colour.
Blush Pink #e8b4b8
shipped7 real palettes, including Estate and Rain Garden put Blush Pink beside Castle in the Sky, as the accent.
Brown #a52a2a
shipped5 real palettes, including Velvet and Woodsmoke put Brown beside Castle in the Sky, as the lead colour.
Burgundy #800020
shipped5 real palettes, including Candlelight and Heinz's brand system put Burgundy beside Castle in the Sky, as the lead colour.
Burlywood #deb887
shippedBurlywood is paired with Castle in the Sky in 8 real palettes, including Chalkboard and Kiln, as the lead colour.
Real palettes that use Castle in the Sky
Tints & shades
Harmonies
Contrast
| Castle in the Sky as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 1.26:1 | fail | fail | fail | |
Aaon black | 16.7:1 | 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 Castle in the Sky 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
Fonts for this mood
Castle in the Sky reads as cool, light, clean. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around Castle in the Sky
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 #d1eaed and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/d1eaed-a2b8be-df4e86-1f262d-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