Arcade
Open in tool →Hot pink, cyan and acid yellow on near-black — cabinet-glow neon; the black surface is what makes the colours light up.
Color
#45eafc
#45eafc
hex
#45eafcrgb
rgb(69, 234, 252)hsl
hsl(186, 97%, 63%)oklch
oklch(0.862 0.133 205.9)Closest name: Aqua (#0ff0fe)Relative luminance 0.6714
Colors that go with #45eafc
Charcoal, Deep Sky 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 #45eafc: softer than #000 and cool enough to feel like part of the same palette.
Deep Sky Blue #00bfff
analogousshippedDeep Sky Blue is #45eafc's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Crimson #dc143c
shippedCrimson is paired with #45eafc in 4 real palettes, including Tiffany & Co.'s brand system and Formula 1's brand system, as the supporting colour.
Taupe #483c32
shippedTaupe is paired with #45eafc in 10 real palettes, including Boeing's brand system and Macaron, as the text colour against it.
Wheat #f5deb3
shippedDesigners have shipped Wheat with #45eafc: 4 real palettes, including Mint Chip and Sorbet, as the accent.
Salmon #fa8072
complementarySalmon sits directly opposite #45eafc on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Dark Orange #ff8c00
split-complementshippedDark Orange is a split-complement of #45eafc: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Blue #0000ff
shipped3 real palettes, including Uber's brand system and Canva's brand system put Blue beside #45eafc, as the accent.
Real palettes that use #45eafc
Tints & shades
Harmonies
Contrast
| #45eafc as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 1.46:1 | fail | fail | fail | |
Aaon black | 14.43:1 | 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 #45eafc 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
#45eafc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #45eafc
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 #45eafc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/45eafc-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