CSS color

greenyellow

#adff2f

hex#adff2f

rgbrgb(173, 255, 47)

hslhsl(84, 100%, 59%)

oklchoklch(0.913 0.233 130)

Relative luminance 0.8061

Vivid

Open in palette tool Check contrast

Greenyellow 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.

Tints & shades

Tints — toward white

b4ff42 bcff57 c4ff6b ccff80 d4ff94 daffa3 e2ffb8 ebffcc f3ffe0 fbfff5

Shades — toward black

a1ff14 93f500 84db00 71bd00 62a300 508500 406b00 2e4d00 1f3300 0c1400

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

Harmonies

Complementary

Open in tool →

adff2f 822eff

#822eff

Analogous

Open in tool →

adff2f ffea2e 43ff2e

#ffea2e · #43ff2e

Triadic

Open in tool →

adff2f 2eabff ff2eab

#2eabff · #ff2eab

Split-complementary

Open in tool →

adff2f 2e43ff ea2eff

#2e43ff · #ea2eff

Tetradic

Open in tool →

adff2f 2effea 822eff ff2e43

#2effea · #822eff · #ff2e43

Contrast

greenyellow as text	Ratio	AA	AA large	AAA	Fix
Aaon white	1.23:1	fail	fail	fail	AA: use #4d8000 as the text (4.77:1) AAA: use #3a6100 as the text (7.27:1) AA: or shift the background to #666666 (4.68:1) AAA: or shift the background to #4a4a4a (7.23:1)
Aaon black	17.12:1	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 greenyellow 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 greenyellow

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 #adff2f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/adff2f-afbea2-4e5adf-222d1f-f1f0e9?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