#3F5121
Closest named color: Navy Green (#35530A). oklch(40.8% 0.075 126.6), rgb(63, 81, 33).
Aa
White text reads best on this color (8.71:1).
About this color
#3F5121 is a dark, moderately saturated green. In OKLCH its lightness is 41%, its chroma 0.075 and its hue 127°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Navy Green (#35530A), ΔE 0.028 away. White text reads best on it, at 8.71:1.
| Hue family | Greens |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.075) |
| Temperature | in between |
| Nearest name | Navy Green (#35530A) |
| Black text | 2.41:1 |
| White text | 8.71:1 |
Values
| HEX | #3F5121 |
| RGB | rgb(63, 81, 33) |
| HSL | hsl(83, 42%, 22%) |
| OKLCH | oklch(40.8% 0.075 126.6) |
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 #3F5121 | 8.71:1 | AAA | Lc -94.3 | Preferred for body text |
| Black text on #3F5121 | 2.41:1 | Fails | Lc 14.2 | Not readable |
| #3F5121 text on white | 8.71:1 | AAA | Lc 89.8 | Fine for body text |
| #3F5121 text on black | 2.41:1 | Fails | Lc -12.5 | Not readable |
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 800.
-
Step 50
50
#F4F6F2
oklch(97.1% 0.006 128.5)
-
Step 100
100
#E7EBE3
oklch(93.5% 0.011 128.6)
-
Step 200
200
#D5DCCB
oklch(88.4% 0.024 125.2)
-
Step 300
300
#B9C6A8
oklch(80.8% 0.044 126.5)
-
Step 400
400
#95A979
oklch(70.7% 0.071 126.5)
-
Step 500
500
#7B9457
oklch(63.2% 0.09 127)
-
Step 600
600
#647E3B
oklch(55.7% 0.098 126.9)
-
Step 700
700
#536A2D
oklch(49.1% 0.091 126.7)
-
Step 800
800 (this color)
#3F5121
oklch(40.8% 0.075 126.6)
-
Step 900
900
#394724
oklch(37.6% 0.058 126.8)
-
Step 950
950
#222A15
oklch(27.1% 0.038 125.8)
#3F5121 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) | #554C1C | 0.036 |
| Deuteranopia (no green cones) | #534B24 | 0.037 |
| Tritanopia (no blue cones) | #414D46 | 0.060 |
| Achromatopsia (no color) | #4B4B4B | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F5121
#3F5121
oklch(40.8% 0.075 126.6)
- #543E6A
#543E6A
oklch(40.7% 0.076 306.3)
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 #3F5121, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Navy Green #35530A ΔE 0.028
- Green Brown #544E03 ΔE 0.034
- Pine #2B5D34 ΔE 0.040
- Army Green #4B5D16 ΔE 0.046
- Spruce #0A5F38 ΔE 0.055
- Mud Brown #60460F ΔE 0.059
- Camouflage Green #4B6113 ΔE 0.059
- Forest #0B5509 ΔE 0.059
Use #3F5121 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.