#558371
Closest named color: Slate Green (#658D6D). oklch(57.1% 0.058 167.8), rgb(85, 131, 113).
Aa
Black text reads best on this color (4.87:1).
About this color
#558371 is a medium-dark, muted green. In OKLCH its lightness is 57%, its chroma 0.058 and its hue 168°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Slate Green (#658D6D), ΔE 0.039 away. Black text reads best on it, at 4.87:1.
| Hue family | Greens |
| Lightness | medium-dark (57%) |
| Chroma | muted (0.058) |
| Temperature | in between |
| Nearest name | Slate Green (#658D6D) |
| Black text | 4.87:1 |
| White text | 4.31:1 |
Values
| HEX | #558371 |
| RGB | rgb(85, 131, 113) |
| HSL | hsl(157, 21%, 42%) |
| OKLCH | oklch(57.1% 0.058 167.8) |
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 #558371 | 4.31:1 | AA large text | Lc -75.3 | Fine for body text |
| Black text on #558371 | 4.87:1 | AA | Lc 34.3 | Non-text elements, placeholder text |
| #558371 text on white | 4.31:1 | AA large text | Lc 69.8 | Content text, not long reading |
| #558371 text on black | 4.87:1 | AA | Lc -31.9 | Non-text elements, placeholder text |
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 600.
-
Step 50
50
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E5EBE9
oklch(93.5% 0.007 174.4)
-
Step 200
200
#D1DCD7
oklch(88.5% 0.014 167.1)
-
Step 300
300
#B1C6BD
oklch(80.8% 0.026 168.1)
-
Step 400
400
#88A99B
oklch(70.6% 0.042 167.5)
-
Step 500
500
#6A9483
oklch(63.1% 0.053 167.7)
-
Step 600
600 (this color)
#558371
oklch(57.1% 0.058 167.8)
-
Step 700
700
#416B5B
oklch(49.2% 0.054 168)
-
Step 800
800
#36574A
oklch(42.7% 0.045 167.5)
-
Step 900
900
#2F483E
oklch(37.8% 0.035 167.6)
-
Step 950
950
#1C2A24
oklch(27% 0.022 166.4)
#558371 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) | #817D70 | 0.059 |
| Deuteranopia (no green cones) | #797772 | 0.057 |
| Tritanopia (no blue cones) | #49837E | 0.022 |
| Achromatopsia (no color) | #7A7A7A | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #558371
#558371
oklch(57.1% 0.058 167.8)
- #926A7E
#926A7E
oklch(57.1% 0.058 347.6)
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 #558371, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Green #658D6D ΔE 0.039
- Dusty Teal #4C9085 ΔE 0.040
- Dark Sage #598556 ΔE 0.041
- Battleship Grey #6B7C85 ΔE 0.052
- Dark Cyan #008B8B ΔE 0.054
- Steel Grey #6F828A ΔE 0.054
- Teal #008080 ΔE 0.056
- Grey Blue #647D8E ΔE 0.058
Use #558371 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.