#3B8028
Closest named color: Tree Green (#2A7E19). oklch(53.6% 0.141 139.6), rgb(59, 128, 40).
Aa
White text reads best on this color (4.87:1).
About this color
#3B8028 is a medium-dark, vivid green. In OKLCH its lightness is 54%, its chroma 0.141 and its hue 140°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Tree Green (#2A7E19), ΔE 0.020 away. White text reads best on it, at 4.87:1.
| Hue family | Greens |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.141) |
| Temperature | in between |
| Nearest name | Tree Green (#2A7E19) |
| Black text | 4.30:1 |
| White text | 4.87:1 |
Values
| HEX | #3B8028 |
| RGB | rgb(59, 128, 40) |
| HSL | hsl(107, 52%, 33%) |
| OKLCH | oklch(53.6% 0.141 139.6) |
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 #3B8028 | 4.87:1 | AA | Lc -79.0 | Fine for body text |
| Black text on #3B8028 | 4.30:1 | AA large text | Lc 30.5 | Non-text elements, placeholder text |
| #3B8028 text on white | 4.87:1 | AA | Lc 73.5 | Content text, not long reading |
| #3B8028 text on black | 4.30:1 | AA large text | Lc -28.2 | 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
#CEDFC9
oklch(88.5% 0.035 138.6)
-
Step 300
300
#ACCBA4
oklch(80.9% 0.063 139.3)
-
Step 400
400
#7FB073
oklch(70.7% 0.101 139.6)
-
Step 500
500
#5D9C4D
oklch(63.1% 0.129 139.5)
-
Step 600
600 (this color)
#3B8028
oklch(53.6% 0.141 139.6)
-
Step 700
700
#337221
oklch(49.2% 0.131 139.5)
-
Step 800
800
#2B5D1D
oklch(42.8% 0.109 139.5)
-
Step 900
900
#274C1E
oklch(37.7% 0.085 139.8)
-
Step 950
950
#182D12
oklch(27.1% 0.054 139)
#3B8028 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) | #84751C | 0.095 |
| Deuteranopia (no green cones) | #7B6F30 | 0.095 |
| Tritanopia (no blue cones) | #347C6E | 0.095 |
| Achromatopsia (no color) | #717171 | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3B8028
#3B8028
oklch(53.6% 0.141 139.6)
- #904EA0
#904EA0
oklch(53.5% 0.142 319.5)
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 #3B8028, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tree Green #2A7E19 ΔE 0.020
- Dark Grass Green #388004 ΔE 0.020
- Jungle Green #048243 ΔE 0.032
- Forest Green #228B22 ΔE 0.037
- Green #008000 ΔE 0.040
- Olive Green #677A04 ΔE 0.048
- Emerald Green #028F1E ΔE 0.051
- Sap Green #5C8B15 ΔE 0.052
Use #3B8028 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.