#3A8121
Closest named color: Dark Grass Green (#388004). oklch(53.7% 0.148 138.9), rgb(58, 129, 33).
Aa
White text reads best on this color (4.83:1).
About this color
#3A8121 is a medium-dark, vivid green. In OKLCH its lightness is 54%, its chroma 0.148 and its hue 139°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Grass Green (#388004), ΔE 0.014 away. White text reads best on it, at 4.83:1.
| Hue family | Greens |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.148) |
| Temperature | in between |
| Nearest name | Dark Grass Green (#388004) |
| Black text | 4.34:1 |
| White text | 4.83:1 |
Values
| HEX | #3A8121 |
| RGB | rgb(58, 129, 33) |
| HSL | hsl(104, 59%, 32%) |
| OKLCH | oklch(53.7% 0.148 138.9) |
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 #3A8121 | 4.83:1 | AA | Lc -78.7 | Fine for body text |
| Black text on #3A8121 | 4.34:1 | AA large text | Lc 30.8 | Non-text elements, placeholder text |
| #3A8121 text on white | 4.83:1 | AA | Lc 73.2 | Content text, not long reading |
| #3A8121 text on black | 4.34:1 | AA large text | Lc -28.5 | 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
#F2F7F1
oklch(97.1% 0.01 140.5)
-
Step 100
100
#E4EDE1
oklch(93.6% 0.019 137.8)
-
Step 200
200
#CDDFC8
oklch(88.4% 0.037 138.9)
-
Step 300
300
#ABCCA2
oklch(81% 0.068 139)
-
Step 400
400
#7EB170
oklch(70.8% 0.106 139.1)
-
Step 500
500
#5C9D48
oklch(63.2% 0.136 138.8)
-
Step 600
600 (this color)
#3A8121
oklch(53.7% 0.148 138.9)
-
Step 700
700
#31721A
oklch(49.1% 0.137 139)
-
Step 800
800
#2A5D18
oklch(42.7% 0.114 138.8)
-
Step 900
900
#274C1B
oklch(37.6% 0.088 138.7)
-
Step 950
950
#172D11
oklch(27.1% 0.056 139.3)
#3A8121 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) | #857510 | 0.097 |
| Deuteranopia (no green cones) | #7C6F2B | 0.099 |
| Tritanopia (no blue cones) | #337C6E | 0.102 |
| Achromatopsia (no color) | #727272 | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3A8121
#3A8121
oklch(53.7% 0.148 138.9)
- #914DA3
#914DA3
oklch(53.7% 0.147 318.9)
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 #3A8121, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grass Green #388004 ΔE 0.014
- Tree Green #2A7E19 ΔE 0.018
- Forest Green #228B22 ΔE 0.031
- Green #008000 ΔE 0.036
- Jungle Green #048243 ΔE 0.036
- Emerald Green #028F1E ΔE 0.046
- Sap Green #5C8B15 ΔE 0.049
- Olive Green #677A04 ΔE 0.050
Use #3A8121 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.