Color

#d7e421

#d7e421
hex#d7e421
rgbrgb(215, 228, 33)
hslhsl(64, 78%, 51%)
oklchoklch(0.88 0.192 113.9)
Closest name: Bitter Lemon (#d2db32)Relative luminance 0.7004

Colors that go with #d7e421

Charcoal, Crimson and Taupe 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2e21e4

#e48f21 · #75e421

#21d7e4 · #e421d7

Split-complementary

Open in tool →

#2175e4 · #8f21e4

#21e48f · #2e21e4 · #e42175

Contrast

#d7e421 as textRatioAAAA largeAAAFix
Aaon white
1.4:1failfailfail
  • AA: use #737b0f as the text (4.6:1)
  • AAA: use #555b0b as the text (7.27:1)
  • AA: or shift the background to #5e5e5e (4.63:1)
  • AAA: or shift the background to #424242 (7.18:1)
Aaon black
15.01:1passpasspassPasses 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 #d7e421 as the background.

Brands using this color

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

mcpConnect your agent — build around #d7e421
live endpoint

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.

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

analyze #d7e421 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/d7e421-b9bea2-4e8adf-262d1f-f1eee9?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