ColorWell · contrast check
White or black text on #16a34a?
Tailwind green-600
Use black text. It gives 6.37:1, which passes AA, not AAA.
White text
3.3:1
passes AA for large text only (18pt+/14pt bold)
Black text
6.37:1
passes AA, not AAA
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 | pass | pass |
| AAA, normal text | 7:1 | fail | fail |
If you need the other one to pass
Same hue, moved along the lightness ramp until the ratio clears AA.
- For white text, use
#007a2a— 5.5:1
The colour itself
- Hex:
#16a34a - RGB:
22, 163, 74 - Oklch:
62.71% 0.17 149
Shade ramp
#c6ffd0 #a7f4b5 #80dd93 #4fbf6c #009c3e #007a2a #005a17 #003c04 #002000
Paste this into your config
// tailwind.config.js
colors: {
brand: {
100: "#c6ffd0",
200: "#a7f4b5",
300: "#80dd93",
400: "#4fbf6c",
500: "#009c3e",
600: "#007a2a",
700: "#005a17",
800: "#003c04",
900: "#002000",
},
}Text colour to pair with the 500 shade (#009c3e): black, at 5.82:1. For #16a34a itself it is black, at 6.37:1.
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.
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