Color

#f3cb2b

#f3cb2b
hex#f3cb2b
rgbrgb(243, 203, 43)
hslhsl(48, 89%, 56%)
oklchoklch(0.852 0.165 93.5)
Closest name: Aurora (#ebd147)Relative luminance 0.6194

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2b53f3

#f3672b · #b7f32b

#2bf3cb · #cb2bf3

Split-complementary

Open in tool →

#2bb7f3 · #672bf3

#2bf367 · #2b53f3 · #f32bb7

Contrast

#f3cb2b as textRatioAAAA largeAAAFix
Aaon white
1.57:1failfailfail
  • AA: use #8c7108 as the text (4.69:1)
  • AAA: use #6a5606 as the text (7.13:1)
  • AA: or shift the background to #575757 (4.61:1)
  • AAA: or shift the background to #3b3b3b (7.14:1)
Aaon black
13.39:1passpasspassPasses 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 #f3cb2b as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#f3cb2b reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #f3cb2b
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 #f3cb2b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/f3cb2b-c4c09c-62aacb-2a2d1f-f1ece9?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