#556963
Closest named color: Slate (#516572). oklch(50.2% 0.026 175.1), rgb(85, 105, 99).
Aa
White text reads best on this color (5.85:1).
About this color
#556963 is a medium-dark close to neutral grey. In OKLCH its lightness is 50%, its chroma 0.026. It has too little chroma to lean warm or cool. The nearest named color is Slate (#516572), ΔE 0.031 away. White text reads best on it, at 5.85:1.
| Hue family | Neutrals |
| Lightness | medium-dark (50%) |
| Chroma | close to neutral grey (0.026) |
| Temperature | neutral |
| Nearest name | Slate (#516572) |
| Black text | 3.58:1 |
| White text | 5.85:1 |
Values
| HEX | #556963 |
| RGB | rgb(85, 105, 99) |
| HSL | hsl(162, 11%, 37%) |
| OKLCH | oklch(50.2% 0.026 175.1) |
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 #556963 | 5.85:1 | AA | Lc -84.5 | Fine for body text |
| Black text on #556963 | 3.58:1 | AA large text | Lc 24.8 | Dividers and decoration only |
| #556963 text on white | 5.85:1 | AA | Lc 79.3 | Fine for body text |
| #556963 text on black | 3.58:1 | AA large text | Lc -22.5 | 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
#F4F6F5
oklch(97.1% 0.002 165.1)
-
Step 100
100
#E7EBEA
oklch(93.7% 0.004 179.7)
-
Step 200
200
#D5DBD9
oklch(88.6% 0.007 174.4)
-
Step 300
300
#B9C3C0
oklch(80.9% 0.012 176.2)
-
Step 400
400
#94A5A0
oklch(70.7% 0.02 176.2)
-
Step 500
500
#7A8F88
oklch(63.1% 0.026 173.3)
-
Step 600
600
#637972
oklch(55.6% 0.028 174)
-
Step 700
700 (this color)
#556963
oklch(50.2% 0.026 175.1)
-
Step 800
800
#43534E
oklch(42.7% 0.022 174.3)
-
Step 900
900
#394541
oklch(37.8% 0.017 173.2)
-
Step 950
950
#212826
oklch(26.9% 0.011 176.4)
#556963 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) | #676663 | 0.027 |
| Deuteranopia (no green cones) | #646463 | 0.025 |
| Tritanopia (no blue cones) | #506A67 | 0.008 |
| Achromatopsia (no color) | #656565 | 0.026 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #556963
#556963
oklch(50.2% 0.026 175.1)
- #715E65
#715E65
oklch(50.3% 0.027 353.9)
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 #556963, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.031
- Dim Gray #696969 ΔE 0.032
- Battleship Gray #6C757D ΔE 0.061
- Dark Aquamarine #017371 ΔE 0.062
- Deep Turquoise #017374 ΔE 0.062
- Dark Aqua #05696B ΔE 0.063
- Dark Moss Green #606C38 ΔE 0.065
- Metallic Blue #4F738E ΔE 0.065
Use #556963 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.