Color Values
- HEX
- #4ADE80
- RGB
- rgb(74, 222, 128)
- HSL
- hsl(142, 69%, 58%)
- OKLCH
- oklch(0.800 0.182 152)
- CMYK
- cmyk(67%, 0%, 42%, 13%)
- CSS Variable
- var(--color-green-400)
- Tailwind Class
- bg-green-400
Accessibility Score
Good
Based on WCAG 2.1 contrast ratios against white and black backgrounds.
On White
1.74:1
On Black
12.05:1
Tailwind Usage — All Utilities
Background
bg-green-400Text
text-green-400Border
border-green-400Ring
ring-green-400Outline
outline-green-400Fill
fill-green-400Stroke
stroke-green-400From (gradient)
from-green-400Via (gradient)
via-green-400To (gradient)
to-green-400Placeholder
placeholder-green-400Caret
caret-green-400Accent
accent-green-400Decoration
decoration-green-400Shadow Color
shadow-green-400Tailwind v3 Config (extend custom color)
// tailwind.config.js
module.exports = {
theme: {
extend: {
colors: {
'green-400': '#4ade80',
},
},
},
};CSS Equivalent
/* Hex */
background-color: #4ADE80;
/* RGB */
background-color: rgb(74, 222, 128);
/* HSL */
background-color: hsl(142, 69%, 58%);
/* OKLCH (CSS Color Level 4) */
background-color: oklch(0.800 0.182 152);
/* CSS Custom Property (Tailwind v4) */
background-color: var(--color-green-400);
/* Gradient example */
background: linear-gradient(135deg, #f0fdf4 0%, #22c55e 100%);OKLCH — Modern Color Space
Lightness (L)
0.800
80% perceived brightness
Chroma (C)
0.182
Color intensity / saturation
Hue (H)
152°
Angle on perceptual hue wheel
oklch(0.800 0.182 152)OKLCH is a perceptually uniform color space in CSS Color Level 4. Unlike HSL, equal steps in L produce equal perceived lightness changes — making it ideal for building accessible, harmonious design system scales.
Design Recommendations
Mid-tone accent
Shade 400 of the Green palette
Recommended Uses
- ✓Icon fills on white
- ✓Secondary buttons (large text)
- ✓Chart & data visualization bars
- ✓Decorative UI elements
Avoid
Preview
On White
Aa Bb Cc
On Black
Aa Bb Cc
As Background
Aa Bb Cc — #4ADE80
Similar Tailwind Colors
Perceptually close shades from other Tailwind color families.
Nearest Named Color
Tailwind Green 400
Nearest Tailwind equivalent — #4ADE80
Frequently Asked Questions
- What is the hex code for Tailwind Green 400?
- Tailwind Green 400 has the hex code #4ADE80. Its RGB value is rgb(74, 222, 128) and its HSL value is hsl(142, 69%, 58%).
- What Tailwind utility classes use Green 400?
- Use bg-green-400 for backgrounds, text-green-400 for text color, border-green-400 for borders, and ring-green-400 for focus rings. In Tailwind v4 the CSS variable var(--color-green-400) is available natively.
- Is Tailwind Green 400 WCAG accessible?
- Tailwind Green 400 achieves a 1.74:1 contrast ratio on white (Fail) and 12.05:1 on black (AAA). Its overall accessibility score is 60/100 (Good).
- What is the OKLCH value for Tailwind Green 400?
- Tailwind Green 400 in OKLCH is oklch(0.800 0.182 152) — lightness 0.800, chroma 0.182, hue 152°. OKLCH is a perceptually uniform space supported natively in modern CSS via the `color()` function.
- What is Tailwind Green 400 used for?
- At shade 400, Tailwind Green 400 is best described as "Mid-tone accent". Recommended uses: Icon fills on white, Secondary buttons (large text), Chart & data visualization bars.