Terminal
Open in tool →Green for success, blue for links, pink for emphasis — the dark-mode developer family, tuned to sit on near-black without glare.
Color
#4bb450
#4bb450
hex
#4bb450rgb
rgb(75, 180, 80)hsl
hsl(123, 41%, 50%)oklch
oklch(0.686 0.17 144.3)Closest name: Intoxicate (#11bb55)Relative luminance 0.3472
Colors that go with #4bb450
Charcoal, Royal Blue 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.
Charcoal #36454f
neutralshippedCharcoal is the body-text near-black for #4bb450: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Royal Blue #4169e1
shippedRoyal Blue is paired with #4bb450 in 5 real palettes, including Console Light and Telehealth, as the lead colour.
Taupe #483c32
shippedTaupe is paired with #4bb450 in 9 real palettes, including Meadow and Obsidian's brand system, as the text colour against it.
Orchid #da70d6
complementaryOrchid sits directly opposite #4bb450 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Medium Purple #9370db
split-complementshippedMedium Purple is a split-complement of #4bb450: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Blue #0000ff
shipped3 real palettes, including Spotify's brand system and Minecraft's brand system put Blue beside #4bb450, as the accent.
Cornflower Blue #6495ed
triadicshippedCornflower Blue completes a triad with #4bb450 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Dark Orange #ff8c00
shippedDark Orange shows up next to #4bb450 in 3 real palettes, including Playground and Citrus Grove, as the lead colour.
Real palettes that use #4bb450
Tints & shades
Harmonies
Contrast
| #4bb450 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2.64:1 | fail | fail | fail | |
Aaon black | 7.94:1 | 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 #4bb450 as the background.
Brands using this color
Palettes built around it
mcpConnect your agent — build around #4bb450
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 #4bb450 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/4bb450-a2bea6-a04edf-1f2d26-edf1e9?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