#5B8570
Closest named color: Slate Green (#658D6D). oklch(57.9% 0.057 162.2), rgb(91, 133, 112).
Aa
Black text reads best on this color (5.03:1).
About this color
#5B8570 is a medium-dark, muted green. In OKLCH its lightness is 58%, its chroma 0.057 and its hue 162°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Slate Green (#658D6D), ΔE 0.030 away. Black text reads best on it, at 5.03:1.
| Hue family | Greens |
| Lightness | medium-dark (58%) |
| Chroma | muted (0.057) |
| Temperature | in between |
| Nearest name | Slate Green (#658D6D) |
| Black text | 5.03:1 |
| White text | 4.17:1 |
Values
| HEX | #5B8570 |
| RGB | rgb(91, 133, 112) |
| HSL | hsl(150, 19%, 44%) |
| OKLCH | oklch(57.9% 0.057 162.2) |
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 #5B8570 | 4.17:1 | AA large text | Lc -74.2 | Content text, not long reading |
| Black text on #5B8570 | 5.03:1 | AA | Lc 35.4 | Non-text elements, placeholder text |
| #5B8570 text on white | 4.17:1 | AA large text | Lc 68.7 | Content text, not long reading |
| #5B8570 text on black | 5.03:1 | AA | Lc -33.0 | 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
#E6EBE8
oklch(93.5% 0.007 160.1)
-
Step 200
200
#D1DCD6
oklch(88.4% 0.014 162.4)
-
Step 300
300
#B3C6BC
oklch(80.9% 0.025 163)
-
Step 400
400
#8AA999
oklch(70.7% 0.041 162.7)
-
Step 500
500
#6D9480
oklch(63.2% 0.053 162.1)
-
Step 600
600 (this color)
#5B8570
oklch(57.9% 0.057 162.2)
-
Step 700
700
#446A58
oklch(49% 0.052 163.2)
-
Step 800
800
#395748
oklch(42.8% 0.044 162.1)
-
Step 900
900
#31473C
oklch(37.6% 0.033 162.5)
-
Step 950
950
#1D2A23
oklch(27% 0.022 160.9)
#5B8570 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) | #847F6F | 0.056 |
| Deuteranopia (no green cones) | #7D7A71 | 0.054 |
| Tritanopia (no blue cones) | #52857F | 0.024 |
| Achromatopsia (no color) | #7C7C7C | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B8570
#5B8570
oklch(57.9% 0.057 162.2)
- #926D84
#926D84
oklch(57.9% 0.057 341.3)
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 #5B8570, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Green #658D6D ΔE 0.030
- Dusty Teal #4C9085 ΔE 0.037
- Dark Sage #598556 ΔE 0.038
- Steel Grey #6F828A ΔE 0.053
- Battleship Grey #6B7C85 ΔE 0.053
- Medium Grey #7D7F7C ΔE 0.054
- Green Grey #77926F ΔE 0.055
- Dark Cyan #008B8B ΔE 0.059
Use #5B8570 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.