#428E22
Closest named color: Forest Green (#228B22). oklch(57.6% 0.16 138.3), rgb(66, 142, 34).
Aa
Black text reads best on this color (5.12:1).
About this color
#428E22 is a medium-dark, vivid green. In OKLCH its lightness is 58%, its chroma 0.160 and its hue 138°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Forest Green (#228B22), ΔE 0.025 away. Black text reads best on it, at 5.12:1.
| Hue family | Greens |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.160) |
| Temperature | in between |
| Nearest name | Forest Green (#228B22) |
| Black text | 5.12:1 |
| White text | 4.09:1 |
Values
| HEX | #428E22 |
| RGB | rgb(66, 142, 34) |
| HSL | hsl(102, 61%, 35%) |
| OKLCH | oklch(57.6% 0.16 138.3) |
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 #428E22 | 4.09:1 | AA large text | Lc -73.3 | Content text, not long reading |
| Black text on #428E22 | 5.12:1 | AA | Lc 36.3 | Non-text elements, placeholder text |
| #428E22 text on white | 4.09:1 | AA large text | Lc 67.8 | Content text, not long reading |
| #428E22 text on black | 5.12:1 | AA | Lc -33.8 | Non-text elements, placeholder text |
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
#F2F7F1
oklch(97.1% 0.01 140.5)
-
Step 100
100
#E3EDE0
oklch(93.5% 0.02 138.4)
-
Step 200
200
#CDE0C7
oklch(88.6% 0.039 138.2)
-
Step 300
300
#AACC9F
oklch(80.8% 0.072 138.1)
-
Step 400
400
#7CB26A
oklch(70.8% 0.116 138.2)
-
Step 500
500
#589E40
oklch(63.2% 0.147 138.5)
-
Step 600
600 (this color)
#428E22
oklch(57.6% 0.16 138.3)
-
Step 700
700
#2D7308
oklch(49.1% 0.149 138.3)
-
Step 800
800
#275E0E
oklch(42.8% 0.123 138.3)
-
Step 900
900
#254D15
oklch(37.7% 0.096 138.1)
-
Step 950
950
#162D0E
oklch(26.9% 0.061 138.3)
#428E22 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) | #93810C | 0.104 |
| Deuteranopia (no green cones) | #897B2D | 0.104 |
| Tritanopia (no blue cones) | #3C8979 | 0.110 |
| Achromatopsia (no color) | #7D7D7D | 0.160 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #428E22
#428E22
oklch(57.6% 0.16 138.3)
- #A055B5
#A055B5
oklch(57.7% 0.16 318.5)
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 #428E22, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Forest Green #228B22 ΔE 0.025
- Sap Green #5C8B15 ΔE 0.025
- Kelley Green #009337 ΔE 0.028
- Emerald Green #028F1E ΔE 0.030
- Irish Green #019529 ΔE 0.031
- Mossy Green #638B27 ΔE 0.036
- True Green #089404 ΔE 0.037
- Fern Green #548D44 ΔE 0.040
Use #428E22 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.