#3F8524
Closest named color: Dark Grass Green (#388004). oklch(55.1% 0.148 138.5), rgb(63, 133, 36).
Aa
Black text reads best on this color (4.59:1).
About this color
#3F8524 is a medium-dark, vivid green. In OKLCH its lightness is 55%, its chroma 0.148 and its hue 138°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Grass Green (#388004), ΔE 0.022 away. Black text reads best on it, at 4.59:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.148) |
| Temperature | in between |
| Nearest name | Dark Grass Green (#388004) |
| Black text | 4.59:1 |
| White text | 4.57:1 |
Values
| HEX | #3F8524 |
| RGB | rgb(63, 133, 36) |
| HSL | hsl(103, 57%, 33%) |
| OKLCH | oklch(55.1% 0.148 138.5) |
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 #3F8524 | 4.57:1 | AA | Lc -76.9 | Fine for body text |
| Black text on #3F8524 | 4.59:1 | AA | Lc 32.6 | Non-text elements, placeholder text |
| #3F8524 text on white | 4.57:1 | AA | Lc 71.5 | Content text, not long reading |
| #3F8524 text on black | 4.59:1 | AA | Lc -30.2 | 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
#F3F7F1
oklch(97.1% 0.009 134.9)
-
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
#ACCBA2
oklch(80.8% 0.066 138.1)
-
Step 400
400
#7EB16F
oklch(70.8% 0.107 138.7)
-
Step 500
500
#5C9C47
oklch(63% 0.136 138.5)
-
Step 600
600 (this color)
#3F8524
oklch(55.1% 0.148 138.5)
-
Step 700
700
#327218
oklch(49.1% 0.138 138.5)
-
Step 800
800
#2A5D17
oklch(42.7% 0.115 138.6)
-
Step 900
900
#274C1A
oklch(37.6% 0.089 138.4)
-
Step 950
950
#172D10
oklch(27% 0.058 138.6)
#3F8524 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) | #897914 | 0.096 |
| Deuteranopia (no green cones) | #80732D | 0.097 |
| Tritanopia (no blue cones) | #398072 | 0.103 |
| Achromatopsia (no color) | #767676 | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F8524
#3F8524
oklch(55.1% 0.148 138.5)
- #9551A8
#9551A8
oklch(55% 0.148 318.5)
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 #3F8524, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grass Green #388004 ΔE 0.022
- Forest Green #228B22 ΔE 0.025
- Tree Green #2A7E19 ΔE 0.030
- Sap Green #5C8B15 ΔE 0.037
- Emerald Green #028F1E ΔE 0.039
- Jungle Green #048243 ΔE 0.041
- Kelley Green #009337 ΔE 0.043
- Green #008000 ΔE 0.044
Use #3F8524 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.