#558271
Closest named color: Slate Green (#658D6D). oklch(56.9% 0.056 168.6), rgb(85, 130, 113).
Aa
Black text reads best on this color (4.81:1).
About this color
#558271 is a medium-dark, muted green. In OKLCH its lightness is 57%, its chroma 0.056 and its hue 169°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Slate Green (#658D6D), ΔE 0.042 away. Black text reads best on it, at 4.81:1.
| Hue family | Greens |
| Lightness | medium-dark (57%) |
| Chroma | muted (0.056) |
| Temperature | in between |
| Nearest name | Slate Green (#658D6D) |
| Black text | 4.81:1 |
| White text | 4.35:1 |
Values
| HEX | #558271 |
| RGB | rgb(85, 130, 113) |
| HSL | hsl(157, 21%, 42%) |
| OKLCH | oklch(56.9% 0.056 168.6) |
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 #558271 | 4.35:1 | AA large text | Lc -75.6 | Fine for body text |
| Black text on #558271 | 4.81:1 | AA | Lc 33.9 | Non-text elements, placeholder text |
| #558271 text on white | 4.35:1 | AA large text | Lc 70.1 | Content text, not long reading |
| #558271 text on black | 4.81:1 | AA | Lc -31.5 | 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
#B2C6BE
oklch(80.9% 0.024 169.7)
-
Step 400
400
#89A99C
oklch(70.7% 0.04 168.5)
-
Step 500
500
#6A9484
oklch(63.1% 0.052 169.1)
-
Step 600
600 (this color)
#558271
oklch(56.9% 0.056 168.6)
-
Step 700
700
#426B5B
oklch(49.2% 0.053 167.5)
-
Step 800
800
#36574B
oklch(42.7% 0.044 169.3)
-
Step 900
900
#2F483E
oklch(37.8% 0.035 167.6)
-
Step 950
950
#1C2A25
oklch(27% 0.021 170.6)
#558271 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) | #807C70 | 0.058 |
| Deuteranopia (no green cones) | #787772 | 0.054 |
| Tritanopia (no blue cones) | #49827D | 0.021 |
| Achromatopsia (no color) | #797979 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #558271
#558271
oklch(56.9% 0.056 168.6)
- #916A7C
#916A7C
oklch(57% 0.056 349.7)
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 #558271, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Green #658D6D ΔE 0.042
- Dusty Teal #4C9085 ΔE 0.042
- Dark Sage #598556 ΔE 0.043
- Battleship Grey #6B7C85 ΔE 0.050
- Steel Grey #6F828A ΔE 0.054
- Dark Cyan #008B8B ΔE 0.054
- Teal #008080 ΔE 0.055
- Battleship Gray #6C757D ΔE 0.056
Use #558271 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.