#3F754B
Closest named color: Dark Olive Green (#556B2F). oklch(51.3% 0.088 149.6), rgb(63, 117, 75).
Aa
White text reads best on this color (5.44:1).
About this color
#3F754B is a medium-dark, moderately saturated green. In OKLCH its lightness is 51%, its chroma 0.088 and its hue 150°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive Green (#556B2F), ΔE 0.040 away. White text reads best on it, at 5.44:1.
| Hue family | Greens |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.088) |
| Temperature | in between |
| Nearest name | Dark Olive Green (#556B2F) |
| Black text | 3.85:1 |
| White text | 5.44:1 |
Values
| HEX | #3F754B |
| RGB | rgb(63, 117, 75) |
| HSL | hsl(133, 30%, 35%) |
| OKLCH | oklch(51.3% 0.088 149.6) |
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 #3F754B | 5.44:1 | AA | Lc -82.3 | Fine for body text |
| Black text on #3F754B | 3.85:1 | AA large text | Lc 27.1 | Dividers and decoration only |
| #3F754B text on white | 5.44:1 | AA | Lc 77.0 | Fine for body text |
| #3F754B text on black | 3.85:1 | AA large text | Lc -24.7 | 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 700.
-
Step 50
50
#F3F7F3
oklch(97.2% 0.007 145.5)
-
Step 100
100
#E4ECE5
oklch(93.5% 0.013 149.2)
-
Step 200
200
#CFDED1
oklch(88.6% 0.024 149.3)
-
Step 300
300
#AEC9B2
oklch(80.9% 0.043 149.5)
-
Step 400
400
#83AD8A
oklch(70.7% 0.068 149.4)
-
Step 500
500
#62986D
oklch(63% 0.086 149.8)
-
Step 600
600
#488355
oklch(55.7% 0.094 149.6)
-
Step 700
700 (this color)
#3F754B
oklch(51.3% 0.088 149.6)
-
Step 800
800
#2F5A39
oklch(42.7% 0.073 149.9)
-
Step 900
900
#2B4A31
oklch(37.7% 0.056 149.3)
-
Step 950
950
#192B1D
oklch(26.9% 0.035 150.5)
#3F754B 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) | #766D48 | 0.074 |
| Deuteranopia (no green cones) | #6E674E | 0.073 |
| Tritanopia (no blue cones) | #35736A | 0.049 |
| Achromatopsia (no color) | #6A6A6A | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F754B
#3F754B
oklch(51.3% 0.088 149.6)
- #83547F
#83547F
oklch(51.3% 0.087 329.8)
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 #3F754B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive Green #556B2F ΔE 0.040
- Dark Moss Green #606C38 ΔE 0.044
- Muddy Green #657432 ΔE 0.049
- Jungle Green #048243 ΔE 0.053
- Camo Green #526525 ΔE 0.055
- Military Green #667C3E ΔE 0.056
- Dark Sage #598556 ΔE 0.060
- Sea Green #2E8B57 ΔE 0.064
Use #3F754B 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.