#516B51
Closest named color: Dark Moss Green (#606C38). oklch(49.9% 0.051 144.8), rgb(81, 107, 81).
Aa
White text reads best on this color (5.87:1).
About this color
#516B51 is a medium-dark, muted green. In OKLCH its lightness is 50%, its chroma 0.051 and its hue 145°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Moss Green (#606C38), ΔE 0.038 away. White text reads best on it, at 5.87:1.
| Hue family | Greens |
| Lightness | medium-dark (50%) |
| Chroma | muted (0.051) |
| Temperature | in between |
| Nearest name | Dark Moss Green (#606C38) |
| Black text | 3.57:1 |
| White text | 5.87:1 |
Values
| HEX | #516B51 |
| RGB | rgb(81, 107, 81) |
| HSL | hsl(120, 14%, 37%) |
| OKLCH | oklch(49.9% 0.051 144.8) |
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 #516B51 | 5.87:1 | AA | Lc -84.6 | Fine for body text |
| Black text on #516B51 | 3.57:1 | AA large text | Lc 24.7 | Dividers and decoration only |
| #516B51 text on white | 5.87:1 | AA | Lc 79.4 | Fine for body text |
| #516B51 text on black | 3.57:1 | AA large text | Lc -22.4 | 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
#F4F6F4
oklch(97.1% 0.003 145.5)
-
Step 100
100
#E7EBE7
oklch(93.6% 0.007 145.5)
-
Step 200
200
#D4DCD4
oklch(88.6% 0.014 145.5)
-
Step 300
300
#B7C5B7
oklch(80.9% 0.025 145.3)
-
Step 400
400
#92A792
oklch(70.6% 0.038 145.2)
-
Step 500
500
#779277
oklch(63.1% 0.05 145)
-
Step 600
600
#5F7C5F
oklch(55.5% 0.055 144.8)
-
Step 700
700 (this color)
#516B51
oklch(49.9% 0.051 144.8)
-
Step 800
800
#415541
oklch(42.7% 0.041 144.8)
-
Step 900
900
#374637
oklch(37.6% 0.032 144.9)
-
Step 950
950
#202920
oklch(26.9% 0.021 145)
#516B51 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) | #6C664F | 0.040 |
| Deuteranopia (no green cones) | #686352 | 0.040 |
| Tritanopia (no blue cones) | #4F6964 | 0.032 |
| Achromatopsia (no color) | #646464 | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #516B51
#516B51
oklch(49.9% 0.051 144.8)
- #725973
#725973
oklch(49.9% 0.051 325.1)
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 #516B51, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Moss Green #606C38 ΔE 0.038
- Dark Olive Green #556B2F ΔE 0.044
- Camo Green #526525 ΔE 0.053
- Dim Gray #696969 ΔE 0.055
- Muddy Green #657432 ΔE 0.060
- Dark Green Blue #1F6357 ΔE 0.061
- Slate #516572 ΔE 0.061
- Dark Aquamarine #017371 ΔE 0.064
Use #516B51 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.