#556D5D
Closest named color: Dim Gray (#696969). oklch(51% 0.038 155.6), rgb(85, 109, 93).
Aa
White text reads best on this color (5.62:1).
About this color
#556D5D is a medium-dark, muted green. In OKLCH its lightness is 51%, its chroma 0.038 and its hue 156°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dim Gray (#696969), ΔE 0.039 away. White text reads best on it, at 5.62:1.
| Hue family | Greens |
| Lightness | medium-dark (51%) |
| Chroma | muted (0.038) |
| Temperature | in between |
| Nearest name | Dim Gray (#696969) |
| Black text | 3.73:1 |
| White text | 5.62:1 |
Values
| HEX | #556D5D |
| RGB | rgb(85, 109, 93) |
| HSL | hsl(140, 12%, 38%) |
| OKLCH | oklch(51% 0.038 155.6) |
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 #556D5D | 5.62:1 | AA | Lc -83.4 | Fine for body text |
| Black text on #556D5D | 3.73:1 | AA large text | Lc 25.9 | Dividers and decoration only |
| #556D5D text on white | 5.62:1 | AA | Lc 78.1 | Fine for body text |
| #556D5D text on black | 3.73:1 | AA large text | Lc -23.7 | 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
#E7EBE8
oklch(93.6% 0.006 153.8)
-
Step 200
200
#D4DBD6
oklch(88.5% 0.01 155.1)
-
Step 300
300
#B8C4BC
oklch(80.9% 0.017 156.8)
-
Step 400
400
#93A699
oklch(70.6% 0.028 155.7)
-
Step 500
500
#789180
oklch(63.2% 0.038 155.4)
-
Step 600
600
#607B69
oklch(55.6% 0.042 155.6)
-
Step 700
700 (this color)
#556D5D
oklch(51% 0.038 155.6)
-
Step 800
800
#415448
oklch(42.6% 0.031 157.1)
-
Step 900
900
#37463C
oklch(37.8% 0.026 155.8)
-
Step 950
950
#212923
oklch(27.1% 0.016 152.8)
#556D5D 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) | #6D695C | 0.035 |
| Deuteranopia (no green cones) | #69665E | 0.035 |
| Tritanopia (no blue cones) | #516C68 | 0.019 |
| Achromatopsia (no color) | #676767 | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #556D5D
#556D5D
oklch(51% 0.038 155.6)
- #755E6F
#755E6F
oklch(51.1% 0.039 335.6)
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 #556D5D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dim Gray #696969 ΔE 0.039
- Slate #516572 ΔE 0.048
- Dark Moss Green #606C38 ΔE 0.051
- Dark Aquamarine #017371 ΔE 0.061
- Dark Olive Green #556B2F ΔE 0.061
- Deep Turquoise #017374 ΔE 0.062
- Battleship Gray #6C757D ΔE 0.063
- Dark Taupe #7F684E ΔE 0.063
Use #556D5D 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.