#3F812D
Closest named color: Dark Grass Green (#388004). oklch(54.1% 0.136 139.5), rgb(63, 129, 45).
Aa
White text reads best on this color (4.78:1).
About this color
#3F812D is a medium-dark, moderately saturated green. In OKLCH its lightness is 54%, its chroma 0.136 and its hue 140°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Grass Green (#388004), ΔE 0.026 away. White text reads best on it, at 4.78:1.
| Hue family | Greens |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.136) |
| Temperature | in between |
| Nearest name | Dark Grass Green (#388004) |
| Black text | 4.38:1 |
| White text | 4.78:1 |
Values
| HEX | #3F812D |
| RGB | rgb(63, 129, 45) |
| HSL | hsl(107, 48%, 34%) |
| OKLCH | oklch(54.1% 0.136 139.5) |
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 #3F812D | 4.78:1 | AA | Lc -78.4 | Fine for body text |
| Black text on #3F812D | 4.38:1 | AA large text | Lc 31.1 | Non-text elements, placeholder text |
| #3F812D text on white | 4.78:1 | AA | Lc 72.9 | Content text, not long reading |
| #3F812D text on black | 4.38:1 | AA large text | Lc -28.7 | 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
#F3F7F2
oklch(97.2% 0.008 139.4)
-
Step 100
100
#E4EDE2
oklch(93.6% 0.017 140)
-
Step 200
200
#CEDFCA
oklch(88.5% 0.034 139.7)
-
Step 300
300
#ADCBA5
oklch(81% 0.062 139.1)
-
Step 400
400
#80B074
oklch(70.8% 0.099 139.5)
-
Step 500
500
#5F9B4F
oklch(63% 0.125 139.3)
-
Step 600
600 (this color)
#3F812D
oklch(54.1% 0.136 139.5)
-
Step 700
700
#357124
oklch(49.1% 0.127 139.5)
-
Step 800
800
#2D5C20
oklch(42.7% 0.104 139.4)
-
Step 900
900
#294C1F
oklch(37.8% 0.082 139.1)
-
Step 950
950
#182C13
oklch(26.8% 0.051 139.5)
#3F812D 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) | #857623 | 0.092 |
| Deuteranopia (no green cones) | #7C7034 | 0.092 |
| Tritanopia (no blue cones) | #397D6F | 0.091 |
| Achromatopsia (no color) | #727272 | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F812D
#3F812D
oklch(54.1% 0.136 139.5)
- #9051A0
#9051A0
oklch(54% 0.136 319.2)
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 #3F812D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grass Green #388004 ΔE 0.026
- Tree Green #2A7E19 ΔE 0.027
- Jungle Green #048243 ΔE 0.032
- Forest Green #228B22 ΔE 0.038
- Olive Green #677A04 ΔE 0.046
- Green #008000 ΔE 0.046
- Sea Green #2E8B57 ΔE 0.047
- Fern Green #548D44 ΔE 0.048
Use #3F812D 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.