ColorWell · contrast check
White or black text on #84cc16?
Tailwind lime-500
Use black text. It gives 10.63:1, which passes AAA (and AA).
White text
1.98:1
fails AA
Black text
10.63:1
passes AAA (and AA)
What the thresholds mean
| Level | Needs | White text | Black text |
|---|---|---|---|
| AA, normal text | 4.5:1 | fail | pass |
| AA, large text (18pt+/14pt bold) | 3:1 | fail | pass |
| AAA, normal text | 7:1 | fail | pass |
If you need the other one to pass
Same hue, moved along the lightness ramp until the ratio clears AA.
- For white text, use
#397600— 5.58:1
The colour itself
- Hex:
#84cc16 - RGB:
132, 204, 22 - Oklch:
76.81% 0.204 131
Shade ramp
#d8ffb2 #bef18e #9ed961 #79bb1a #4f9700 #397600 #245600 #113900 #011e00
Paste this into your config
// tailwind.config.js
colors: {
brand: {
100: "#d8ffb2",
200: "#bef18e",
300: "#9ed961",
400: "#79bb1a",
500: "#4f9700",
600: "#397600",
700: "#245600",
800: "#113900",
900: "#011e00",
},
}Text colour to pair with the 500 shade (#4f9700): black, at 5.76:1. For #84cc16 itself it is black, at 10.63:1.
Your own colours, the same way
Paste any hex and get this page for it live — ratio, verdict, ramp. Export the whole palette to CSS variables, a Tailwind config or Figma tokens when you want it in the project rather than on the screen.
Open ColorWellOther colours
- text on #ef4444 Tailwind red-500
- text on #f97316 Tailwind orange-500
- text on #f59e0b Tailwind amber-500
- text on #eab308 Tailwind yellow-500
- text on #22c55e Tailwind green-500
- text on #10b981 Tailwind emerald-500
- text on #14b8a6 Tailwind teal-500
- text on #06b6d4 Tailwind cyan-500
- text on #0ea5e9 Tailwind sky-500
- text on #3b82f6 Tailwind blue-500
- text on #6366f1 Tailwind indigo-500
- text on #8b5cf6 Tailwind violet-500