#516D40
Closest named color: Dark Olive Green (#556B2F). oklch(50.1% 0.076 134.4), rgb(81, 109, 64).
Aa
White text reads best on this color (5.81:1).
About this color
#516D40 is a medium-dark, moderately saturated green. In OKLCH its lightness is 50%, its chroma 0.076 and its hue 134°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive Green (#556B2F), ΔE 0.019 away. White text reads best on it, at 5.81:1.
| Hue family | Greens |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.076) |
| Temperature | in between |
| Nearest name | Dark Olive Green (#556B2F) |
| Black text | 3.61:1 |
| White text | 5.81:1 |
Values
| HEX | #516D40 |
| RGB | rgb(81, 109, 64) |
| HSL | hsl(97, 26%, 34%) |
| OKLCH | oklch(50.1% 0.076 134.4) |
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 #516D40 | 5.81:1 | AA | Lc -84.3 | Fine for body text |
| Black text on #516D40 | 3.61:1 | AA large text | Lc 25.0 | Dividers and decoration only |
| #516D40 text on white | 5.81:1 | AA | Lc 79.0 | Fine for body text |
| #516D40 text on black | 3.61:1 | AA large text | Lc -22.8 | 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
#F4F6F3
oklch(97.1% 0.004 134.8)
-
Step 100
100
#E7EBE4
oklch(93.5% 0.01 131.4)
-
Step 200
200
#D4DCCF
oklch(88.5% 0.02 133.1)
-
Step 300
300
#B7C6AF
oklch(80.9% 0.036 134.5)
-
Step 400
400
#92A984
oklch(70.7% 0.058 133.8)
-
Step 500
500
#769465
oklch(63.1% 0.076 134.6)
-
Step 600
600
#5F7E4C
oklch(55.6% 0.082 134.3)
-
Step 700
700 (this color)
#516D40
oklch(50.1% 0.076 134.4)
-
Step 800
800
#405733
oklch(42.8% 0.063 134.9)
-
Step 900
900
#37472D
oklch(37.6% 0.047 133.9)
-
Step 950
950
#202A1A
oklch(27% 0.032 134.2)
#516D40 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) | #70673D | 0.047 |
| Deuteranopia (no green cones) | #6C6442 | 0.047 |
| Tritanopia (no blue cones) | #516A62 | 0.054 |
| Achromatopsia (no color) | #656565 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #516D40
#516D40
oklch(50.1% 0.076 134.4)
- #735681
#735681
oklch(50% 0.075 314.4)
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 #516D40, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive Green #556B2F ΔE 0.019
- Dark Moss Green #606C38 ΔE 0.021
- Camo Green #526525 ΔE 0.033
- Muddy Green #657432 ΔE 0.041
- Mud Green #606602 ΔE 0.048
- Camouflage Green #4B6113 ΔE 0.053
- Brown Green #706C11 ΔE 0.055
- Browny Green #6F6C0A ΔE 0.056
Use #516D40 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.