# #91d440

A color — vivid. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#91d440`
- RGB: rgb(145, 212, 64)
- HSL: hsl(87, 63%, 54%)
- OKLCH: oklch(0.797 0.189 130.9)
- Relative luminance: 0.5348
- Nearest named color: yellowgreen (#9acd32, Δ 1.888) — https://brandsweets.com/colors/yellowgreen
- Moods: vivid
- Page: https://brandsweets.com/colors/91d440

## Tints & shades

- Tints (toward white): #9bd750, #a7dc65, #b0e076, #bce58b, #c6e89b, #cfecac, #dbf1c1, #e5f5d1, #f1f9e6, #fafdf7
- Shades (toward black): #85cc2e, #77b72a, #6aa225, #5c8d20, #4f791b, #416417, #344f12, #263a0d, #182508, #0b1104

## Harmonies

- Complementary: #8240d4
- Analogous: #d4cc40, #47d440
- Triadic: #4091d4, #d44091
- Split-complementary: #4047d4, #cc40d4
- Tetradic: #40d4cc, #8240d4, #d44047

## Colors that go with #91d440

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Deep Sky Blue** #00bfff [harmony, pool: triadic] — Deep Sky Blue completes a triad with #91d440 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Learning App (https://brandsweets.com/palettes/playful#learning-app), Remix (https://brandsweets.com/colors/brands/remix-run), Prime Video (https://brandsweets.com/colors/brands/primevideo-com). — https://brandsweets.com/colors/deepskyblue
- **Taupe** #483c32 [pool] — Taupe is paired with #91d440 in 8 real palettes, including Citrus Grove and Acer's brand system, as the text colour against it. Seen in: Citrus Grove (https://brandsweets.com/palettes/warm#citrus-grove), Acer (https://brandsweets.com/colors/brands/acer-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net), WhatsApp (https://brandsweets.com/colors/brands/whatsapp-com). — https://brandsweets.com/colors/taupe
- **Violet** #ee82ee [harmony: complementary] — Violet sits directly opposite #91d440 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. — https://brandsweets.com/colors/violet
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #91d440: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Docker (https://brandsweets.com/colors/brands/docker-com). — https://brandsweets.com/colors/charcoal
- **Dark Orange** #ff8c00 [pool] — Dark Orange shows up next to #91d440 in 3 real palettes, including Citrus Grove and Learning App, as the lead colour. Seen in: Citrus Grove (https://brandsweets.com/palettes/warm#citrus-grove), Learning App (https://brandsweets.com/palettes/playful#learning-app), Playground (https://brandsweets.com/palettes/bold#playground). — https://brandsweets.com/colors/darkorange
- **Mustard Yellow** #ffdb58 [pool] — 3 real palettes, including Citrus Grove and Meadow put Mustard Yellow beside #91d440, as the accent. Seen in: Citrus Grove (https://brandsweets.com/palettes/warm#citrus-grove), Meadow (https://brandsweets.com/palettes/light#meadow), Fresh Juice (https://brandsweets.com/palettes/playful#fresh-juice). — https://brandsweets.com/colors/mustard
- **Red** #ff0000 [pool] — Red is paired with #91d440 in 3 real palettes, including Gatorade's brand system and Wise's brand system, as the supporting colour. Seen in: Gatorade (https://brandsweets.com/colors/brands/gatorade-com), Wise (https://brandsweets.com/colors/brands/wise-com), Wired (https://brandsweets.com/colors/brands/wired-com). — https://brandsweets.com/colors/red
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #91d440 in 3 real palettes, including Brilliant's brand system and MongoDB's brand system, as the accent. Seen in: Brilliant (https://brandsweets.com/colors/brands/brilliant-org), MongoDB (https://brandsweets.com/colors/brands/mongodb-com), Docker (https://brandsweets.com/colors/brands/docker-com). — https://brandsweets.com/colors/royalblue

## Contrast (WCAG 2.x, as text)

- On white (#ffffff): 1.8:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #54811d (4.63:1); AA: background → #4f4f4f (4.56:1); AAA: text → #3e6016 (7.27:1); AAA: background → #333333 (7.04:1)
- On black (#000000): 11.7:1 — AA pass, AA-large pass, AAA pass

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/91d440-aebea2-4e53df-212d1f-f1f1e9?lock=0&style=vibrant
(Humans lock/regenerate in the tool; the URL is the state — read `lock=` back to see what they kept.)

## Connect an agent

Point any MCP client at the BrandSweets colors endpoint for the same engine:

- Endpoint: https://mcp.brandsweets.com/colors/mcp
- Tools: `analyze_color` (e.g. `analyze_color({ color: "#91d440" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.