#51685B
Closest named color: Slate (#516572). oklch(49.5% 0.034 160.1), rgb(81, 104, 91).
Aa
White text reads best on this color (6.03:1).
About this color
#51685B is a medium-dark, muted green. In OKLCH its lightness is 49%, its chroma 0.034 and its hue 160°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Slate (#516572), ΔE 0.041 away. White text reads best on it, at 6.03:1.
| Hue family | Greens |
| Lightness | medium-dark (49%) |
| Chroma | muted (0.034) |
| Temperature | in between |
| Nearest name | Slate (#516572) |
| Black text | 3.48:1 |
| White text | 6.03:1 |
Values
| HEX | #51685B |
| RGB | rgb(81, 104, 91) |
| HSL | hsl(146, 12%, 36%) |
| OKLCH | oklch(49.5% 0.034 160.1) |
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 #51685B | 6.03:1 | AA | Lc -85.3 | Fine for body text |
| Black text on #51685B | 3.48:1 | AA large text | Lc 23.9 | Dividers and decoration only |
| #51685B text on white | 6.03:1 | AA | Lc 80.1 | Fine for body text |
| #51685B text on black | 3.48:1 | AA large text | Lc -21.7 | 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
#D4DBD7
oklch(88.5% 0.009 161.3)
-
Step 300
300
#B8C4BD
oklch(80.9% 0.016 160.5)
-
Step 400
400
#93A69B
oklch(70.7% 0.027 160.3)
-
Step 500
500
#789082
oklch(63% 0.034 159.7)
-
Step 600
600
#617A6C
oklch(55.5% 0.036 160.4)
-
Step 700
700 (this color)
#51685B
oklch(49.5% 0.034 160.1)
-
Step 800
800
#42544A
oklch(42.7% 0.028 160.6)
-
Step 900
900
#38453E
oklch(37.6% 0.021 161.7)
-
Step 950
950
#212924
oklch(27.1% 0.015 157.9)
#51685B 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) | #67645A | 0.033 |
| Deuteranopia (no green cones) | #63625C | 0.031 |
| Tritanopia (no blue cones) | #4D6864 | 0.015 |
| Achromatopsia (no color) | #636363 | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51685B
#51685B
oklch(49.5% 0.034 160.1)
- #705A68
#705A68
oklch(49.4% 0.035 340.1)
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 #51685B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.041
- Dim Gray #696969 ΔE 0.043
- Dark Moss Green #606C38 ΔE 0.056
- Dark Green Blue #1F6357 ΔE 0.057
- Dark Aqua #05696B ΔE 0.060
- Dark Aquamarine #017371 ΔE 0.060
- Deep Turquoise #017374 ΔE 0.062
- Dark Olive Green #556B2F ΔE 0.064
Use #51685B 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.