#3F754F
Closest named color: Dark Olive Green (#556B2F). oklch(51.4% 0.084 152), rgb(63, 117, 79).
Aa
White text reads best on this color (5.42:1).
About this color
#3F754F is a medium-dark, moderately saturated green. In OKLCH its lightness is 51%, its chroma 0.084 and its hue 152°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive Green (#556B2F), ΔE 0.043 away. White text reads best on it, at 5.42:1.
| Hue family | Greens |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.084) |
| Temperature | in between |
| Nearest name | Dark Olive Green (#556B2F) |
| Black text | 3.86:1 |
| White text | 5.42:1 |
Values
| HEX | #3F754F |
| RGB | rgb(63, 117, 79) |
| HSL | hsl(138, 30%, 35%) |
| OKLCH | oklch(51.4% 0.084 152) |
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 #3F754F | 5.42:1 | AA | Lc -82.3 | Fine for body text |
| Black text on #3F754F | 3.86:1 | AA large text | Lc 27.1 | Dividers and decoration only |
| #3F754F text on white | 5.42:1 | AA | Lc 76.9 | Fine for body text |
| #3F754F text on black | 3.86:1 | AA large text | Lc -24.8 | 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
#F3F6F4
oklch(97% 0.004 157.2)
-
Step 100
100
#E4ECE6
oklch(93.5% 0.012 153.7)
-
Step 200
200
#CFDED2
oklch(88.6% 0.023 151.6)
-
Step 300
300
#AEC9B4
oklch(81% 0.041 152)
-
Step 400
400
#83AD8D
oklch(70.8% 0.065 151.8)
-
Step 500
500
#629871
oklch(63.1% 0.082 152.3)
-
Step 600
600
#478259
oklch(55.5% 0.089 152.4)
-
Step 700
700 (this color)
#3F754F
oklch(51.4% 0.084 152)
-
Step 800
800
#2F5A3C
oklch(42.7% 0.07 152.2)
-
Step 900
900
#2A4A33
oklch(37.7% 0.055 152)
-
Step 950
950
#192B1E
oklch(26.9% 0.034 152.4)
#3F754F 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) | #756D4D | 0.072 |
| Deuteranopia (no green cones) | #6D6851 | 0.070 |
| Tritanopia (no blue cones) | #34746B | 0.044 |
| Achromatopsia (no color) | #6A6A6A | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F754F
#3F754F
oklch(51.4% 0.084 152)
- #83557D
#83557D
oklch(51.4% 0.083 331.4)
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 #3F754F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive Green #556B2F ΔE 0.043
- Dark Moss Green #606C38 ΔE 0.045
- Muddy Green #657432 ΔE 0.052
- Jungle Green #048243 ΔE 0.056
- Military Green #667C3E ΔE 0.057
- Camo Green #526525 ΔE 0.058
- Dark Sage #598556 ΔE 0.059
- Dark Aquamarine #017371 ΔE 0.060
Use #3F754F 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.