#51685E
Closest named color: Slate (#516572). oklch(49.5% 0.032 166.7), rgb(81, 104, 94).
Aa
White text reads best on this color (6.01:1).
About this color
#51685E is a medium-dark, muted green. In OKLCH its lightness is 50%, its chroma 0.032 and its hue 167°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Slate (#516572), ΔE 0.037 away. White text reads best on it, at 6.01:1.
| Hue family | Greens |
| Lightness | medium-dark (50%) |
| Chroma | muted (0.032) |
| Temperature | in between |
| Nearest name | Slate (#516572) |
| Black text | 3.49:1 |
| White text | 6.01:1 |
Values
| HEX | #51685E |
| RGB | rgb(81, 104, 94) |
| HSL | hsl(154, 12%, 36%) |
| OKLCH | oklch(49.5% 0.032 166.7) |
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 #51685E | 6.01:1 | AA | Lc -85.2 | Fine for body text |
| Black text on #51685E | 3.49:1 | AA large text | Lc 24.0 | Dividers and decoration only |
| #51685E text on white | 6.01:1 | AA | Lc 80.1 | Fine for body text |
| #51685E text on black | 3.49:1 | AA large text | Lc -21.8 | 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
#F4F6F5
oklch(97.1% 0.002 165.1)
-
Step 100
100
#E7EBE9
oklch(93.6% 0.005 165)
-
Step 200
200
#D4DBD8
oklch(88.5% 0.009 168.7)
-
Step 300
300
#B8C4BE
oklch(80.9% 0.016 164.6)
-
Step 400
400
#93A69D
oklch(70.8% 0.025 165.5)
-
Step 500
500
#789085
oklch(63.1% 0.032 165.9)
-
Step 600
600
#617A6F
oklch(55.6% 0.034 166.6)
-
Step 700
700 (this color)
#51685E
oklch(49.5% 0.032 166.7)
-
Step 800
800
#41544C
oklch(42.7% 0.027 167.5)
-
Step 900
900
#37453F
oklch(37.6% 0.021 167.3)
-
Step 950
950
#212925
oklch(27.2% 0.013 163.8)
#51685E 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) | #67655E | 0.032 |
| Deuteranopia (no green cones) | #63625F | 0.031 |
| Tritanopia (no blue cones) | #4C6865 | 0.012 |
| Achromatopsia (no color) | #636363 | 0.032 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51685E
#51685E
oklch(49.5% 0.032 166.7)
- #705B66
#705B66
oklch(49.6% 0.032 345.5)
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 #51685E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.037
- Dim Gray #696969 ΔE 0.041
- Dark Green Blue #1F6357 ΔE 0.058
- Dark Aqua #05696B ΔE 0.059
- Dark Aquamarine #017371 ΔE 0.059
- Deep Turquoise #017374 ΔE 0.060
- Dark Moss Green #606C38 ΔE 0.061
- Dark Olive Green #556B2F ΔE 0.069
Use #51685E 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.