#3F7F28
Closest named color: Tree Green (#2A7E19). oklch(53.5% 0.137 138.6), rgb(63, 127, 40).
Aa
White text reads best on this color (4.90:1).
About this color
#3F7F28 is a medium-dark, moderately saturated green. In OKLCH its lightness is 53%, its chroma 0.137 and its hue 139°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Tree Green (#2A7E19), ΔE 0.023 away. White text reads best on it, at 4.90:1.
| Hue family | Greens |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.137) |
| Temperature | in between |
| Nearest name | Tree Green (#2A7E19) |
| Black text | 4.27:1 |
| White text | 4.90:1 |
Values
| HEX | #3F7F28 |
| RGB | rgb(63, 127, 40) |
| HSL | hsl(104, 52%, 33%) |
| OKLCH | oklch(53.5% 0.137 138.6) |
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 #3F7F28 | 4.90:1 | AA | Lc -79.2 | Fine for body text |
| Black text on #3F7F28 | 4.27:1 | AA large text | Lc 30.3 | Non-text elements, placeholder text |
| #3F7F28 text on white | 4.90:1 | AA | Lc 73.8 | Content text, not long reading |
| #3F7F28 text on black | 4.27:1 | AA large text | Lc -27.9 | 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
#ADCBA4
oklch(80.9% 0.063 138.5)
-
Step 400
400
#81B073
oklch(70.8% 0.1 138.7)
-
Step 500
500
#609B4D
oklch(63% 0.126 138.5)
-
Step 600
600 (this color)
#3F7F28
oklch(53.5% 0.137 138.6)
-
Step 700
700
#367121
oklch(49.1% 0.128 138.7)
-
Step 800
800
#2E5C1E
oklch(42.7% 0.105 138.6)
-
Step 900
900
#294C1E
oklch(37.8% 0.083 138.8)
-
Step 950
950
#192C12
oklch(26.9% 0.052 137.8)
#3F7F28 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) | #83741C | 0.090 |
| Deuteranopia (no green cones) | #7A6F30 | 0.089 |
| Tritanopia (no blue cones) | #3A7B6D | 0.094 |
| Achromatopsia (no color) | #717171 | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F7F28
#3F7F28
oklch(53.5% 0.137 138.6)
- #8E4F9F
#8E4F9F
oklch(53.4% 0.138 318.8)
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 #3F7F28, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tree Green #2A7E19 ΔE 0.023
- Dark Grass Green #388004 ΔE 0.023
- Jungle Green #048243 ΔE 0.034
- Forest Green #228B22 ΔE 0.041
- Green #008000 ΔE 0.043
- Olive Green #677A04 ΔE 0.045
- Murky Green #6C7A0E ΔE 0.052
- Sap Green #5C8B15 ΔE 0.052
Use #3F7F28 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.