#428220
Closest named color: Dark Grass Green (#388004). oklch(54.4% 0.145 137), rgb(66, 130, 32).
Aa
White text reads best on this color (4.72:1).
About this color
#428220 is a medium-dark, vivid green. In OKLCH its lightness is 54%, its chroma 0.145 and its hue 137°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Grass Green (#388004), ΔE 0.018 away. White text reads best on it, at 4.72:1.
| Hue family | Greens |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.145) |
| Temperature | in between |
| Nearest name | Dark Grass Green (#388004) |
| Black text | 4.44:1 |
| White text | 4.72:1 |
Values
| HEX | #428220 |
| RGB | rgb(66, 130, 32) |
| HSL | hsl(99, 60%, 32%) |
| OKLCH | oklch(54.4% 0.145 137) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #428220 | 4.72:1 | AA | Lc -78.0 | Fine for body text |
| Black text on #428220 | 4.44:1 | AA large text | Lc 31.6 | Non-text elements, placeholder text |
| #428220 text on white | 4.72:1 | AA | Lc 72.5 | Content text, not long reading |
| #428220 text on black | 4.44:1 | AA large text | Lc -29.2 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 600.
-
Step 50
50
#F3F7F1
oklch(97.1% 0.009 134.9)
-
Step 100
100
#E4EDE1
oklch(93.6% 0.019 137.8)
-
Step 200
200
#CEDFC8
oklch(88.5% 0.036 137.5)
-
Step 300
300
#ADCBA2
oklch(80.9% 0.065 137.3)
-
Step 400
400
#81B06E
oklch(70.7% 0.105 137)
-
Step 500
500
#609C46
oklch(63.2% 0.135 137.2)
-
Step 600
600 (this color)
#428220
oklch(54.4% 0.145 137)
-
Step 700
700
#377116
oklch(49.1% 0.135 136.9)
-
Step 800
800
#2E5C16
oklch(42.6% 0.112 137)
-
Step 900
900
#2A4C1A
oklch(37.8% 0.087 136.9)
-
Step 950
950
#192D10
oklch(27.2% 0.056 136.9)
#428220 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #86770E | 0.090 |
| Deuteranopia (no green cones) | #7E712A | 0.093 |
| Tritanopia (no blue cones) | #3E7D6F | 0.103 |
| Achromatopsia (no color) | #737373 | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #428220
#428220
oklch(54.4% 0.145 137)
- #9150A7
#9150A7
oklch(54.3% 0.146 317)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #428220, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grass Green #388004 ΔE 0.018
- Tree Green #2A7E19 ΔE 0.026
- Forest Green #228B22 ΔE 0.032
- Jungle Green #048243 ΔE 0.041
- Sap Green #5C8B15 ΔE 0.042
- Green #008000 ΔE 0.042
- Olive Green #677A04 ΔE 0.044
- Emerald Green #028F1E ΔE 0.046
Use #428220 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.