Color

#40dff7

#40dff7
hex#40dff7
rgbrgb(64, 223, 247)
hslhsl(188, 92%, 61%)
oklchoklch(0.833 0.13 210)
Closest name: Aqua (#0ff0fe)Relative luminance 0.6058

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#f75840

#40f7b4 · #4083f7

#f740df · #dff740

Split-complementary

Open in tool →

#f74083 · #f7b440

#b440f7 · #f75840 · #83f740

Contrast

#40dff7 as textRatioAAAA largeAAAFix
Aaon white
1.6:1failfailfail
  • AA: use #068093 as the text (4.65:1)
  • AAA: use #056271 as the text (7.02:1)
  • AA: or shift the background to #575757 (4.51:1)
  • AAA: or shift the background to #383838 (7.32:1)
Aaon black
13.12:1passpasspassPasses 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 #40dff7 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#40dff7 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #40dff7
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #40dff7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/40dff7-a2b7be-df4e81-1f252d-e9f1ee?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md