#516F40
Closest named color: Dark Olive Green (#556B2F). oklch(50.6% 0.079 134.9), rgb(81, 111, 64).
Aa
White text reads best on this color (5.67:1).
About this color
#516F40 is a medium-dark, moderately saturated green. In OKLCH its lightness is 51%, its chroma 0.079 and its hue 135°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive Green (#556B2F), ΔE 0.020 away. White text reads best on it, at 5.67:1.
| Hue family | Greens |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.079) |
| Temperature | in between |
| Nearest name | Dark Olive Green (#556B2F) |
| Black text | 3.69:1 |
| White text | 5.67:1 |
Values
| HEX | #516F40 |
| RGB | rgb(81, 111, 64) |
| HSL | hsl(98, 27%, 34%) |
| OKLCH | oklch(50.6% 0.079 134.9) |
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 #516F40 | 5.67:1 | AA | Lc -83.6 | Fine for body text |
| Black text on #516F40 | 3.69:1 | AA large text | Lc 25.7 | Dividers and decoration only |
| #516F40 text on white | 5.67:1 | AA | Lc 78.3 | Fine for body text |
| #516F40 text on black | 3.69:1 | AA large text | Lc -23.4 | 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
#F4F6F3
oklch(97.1% 0.004 134.8)
-
Step 100
100
#E7ECE4
oklch(93.7% 0.012 133.4)
-
Step 200
200
#D3DCCF
oklch(88.4% 0.02 135.8)
-
Step 300
300
#B6C7AE
oklch(81% 0.039 135.5)
-
Step 400
400
#90AA83
oklch(70.8% 0.062 135.3)
-
Step 500
500
#759464
oklch(63% 0.078 134.9)
-
Step 600
600
#5D7E4B
oklch(55.4% 0.084 135.2)
-
Step 700
700 (this color)
#516F40
oklch(50.6% 0.079 134.9)
-
Step 800
800
#3F5732
oklch(42.7% 0.065 135.2)
-
Step 900
900
#36482C
oklch(37.8% 0.051 134.9)
-
Step 950
950
#202A1A
oklch(27% 0.032 134.2)
#516F40 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) | #72683D | 0.050 |
| Deuteranopia (no green cones) | #6E6643 | 0.050 |
| Tritanopia (no blue cones) | #516C63 | 0.056 |
| Achromatopsia (no color) | #676767 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #516F40
#516F40
oklch(50.6% 0.079 134.9)
- #765784
#765784
oklch(50.6% 0.078 315)
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 #516F40, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive Green #556B2F ΔE 0.020
- Dark Moss Green #606C38 ΔE 0.021
- Camo Green #526525 ΔE 0.036
- Muddy Green #657432 ΔE 0.036
- Mud Green #606602 ΔE 0.048
- Military Green #667C3E ΔE 0.051
- Brown Green #706C11 ΔE 0.053
- Browny Green #6F6C0A ΔE 0.054
Use #516F40 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.