#516640
Closest named color: Dark Olive Green (#556B2F). oklch(48.3% 0.063 131.9), rgb(81, 102, 64).
Aa
White text reads best on this color (6.31:1).
About this color
#516640 is a medium-dark, muted green. In OKLCH its lightness is 48%, its chroma 0.063 and its hue 132°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive Green (#556B2F), ΔE 0.030 away. White text reads best on it, at 6.31:1.
| Hue family | Greens |
| Lightness | medium-dark (48%) |
| Chroma | muted (0.063) |
| Temperature | in between |
| Nearest name | Dark Olive Green (#556B2F) |
| Black text | 3.32:1 |
| White text | 6.31:1 |
Values
| HEX | #516640 |
| RGB | rgb(81, 102, 64) |
| HSL | hsl(93, 23%, 33%) |
| OKLCH | oklch(48.3% 0.063 131.9) |
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 #516640 | 6.31:1 | AA | Lc -86.5 | Fine for body text |
| Black text on #516640 | 3.32:1 | AA large text | Lc 22.6 | Dividers and decoration only |
| #516640 text on white | 6.31:1 | AA | Lc 81.4 | Fine for body text |
| #516640 text on black | 3.32:1 | AA large text | Lc -20.5 | 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
#E8EBE5
oklch(93.6% 0.009 128.6)
-
Step 200
200
#D5DCD0
oklch(88.6% 0.018 131.9)
-
Step 300
300
#B9C5B1
oklch(80.9% 0.031 132.6)
-
Step 400
400
#95A788
oklch(70.6% 0.048 132.2)
-
Step 500
500
#7C926A
oklch(63.2% 0.063 131.4)
-
Step 600
600
#657C52
oklch(55.7% 0.068 131.6)
-
Step 700
700 (this color)
#516640
oklch(48.3% 0.063 131.9)
-
Step 800
800
#445537
oklch(42.6% 0.052 132.3)
-
Step 900
900
#3A4630
oklch(37.7% 0.039 131.3)
-
Step 950
950
#22291C
oklch(27% 0.025 131)
#516640 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) | #69613D | 0.037 |
| Deuteranopia (no green cones) | #665F42 | 0.038 |
| Tritanopia (no blue cones) | #52635C | 0.047 |
| Achromatopsia (no color) | #606060 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #516640
#516640
oklch(48.3% 0.063 131.9)
- #6A5479
#6A5479
oklch(48.3% 0.064 311.1)
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 #516640, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive Green #556B2F ΔE 0.030
- Camo Green #526525 ΔE 0.031
- Dark Moss Green #606C38 ΔE 0.032
- Camouflage Green #4B6113 ΔE 0.049
- Army Green #4B5D16 ΔE 0.049
- Mud Green #606602 ΔE 0.053
- Greeny Brown #696006 ΔE 0.053
- Muddy Green #657432 ΔE 0.059
Use #516640 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.