#5A8575
Closest named color: Slate Green (#658D6D). oklch(58% 0.054 169.2), rgb(90, 133, 117).
Aa
Black text reads best on this color (5.04:1).
About this color
#5A8575 is a medium-dark, muted green. In OKLCH its lightness is 58%, its chroma 0.054 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 0.033 away. Black text reads best on it, at 5.04:1.
| Hue family | Greens |
| Lightness | medium-dark (58%) |
| Chroma | muted (0.054) |
| Temperature | in between |
| Nearest name | Slate Green (#658D6D) |
| Black text | 5.04:1 |
| White text | 4.16:1 |
Values
| HEX | #5A8575 |
| RGB | rgb(90, 133, 117) |
| HSL | hsl(158, 19%, 44%) |
| OKLCH | oklch(58% 0.054 169.2) |
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 #5A8575 | 4.16:1 | AA large text | Lc -74.1 | Content text, not long reading |
| Black text on #5A8575 | 5.04:1 | AA | Lc 35.5 | Non-text elements, placeholder text |
| #5A8575 text on white | 4.16:1 | AA large text | Lc 68.6 | Content text, not long reading |
| #5A8575 text on black | 5.04:1 | AA | Lc -33.1 | 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
#E6EBE9
oklch(93.6% 0.006 170.4)
-
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
#8AA99C
oklch(70.8% 0.039 167.9)
-
Step 500
500
#6C9384
oklch(63% 0.049 169)
-
Step 600
600 (this color)
#5A8575
oklch(58% 0.054 169.2)
-
Step 700
700
#436A5C
oklch(49.1% 0.05 169.6)
-
Step 800
800
#38564B
oklch(42.6% 0.04 169.4)
-
Step 900
900
#30473F
oklch(37.6% 0.032 170.9)
-
Step 950
950
#1D2A25
oklch(27.1% 0.02 169.2)
#5A8575 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) | #837F74 | 0.056 |
| Deuteranopia (no green cones) | #7B7A76 | 0.052 |
| Tritanopia (no blue cones) | #4F8680 | 0.018 |
| Achromatopsia (no color) | #7C7C7C | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5A8575
#5A8575
oklch(58% 0.054 169.2)
- #936E7F
#936E7F
oklch(58% 0.052 349.6)
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 #5A8575, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Green #658D6D ΔE 0.033
- Dusty Teal #4C9085 ΔE 0.034
- Dark Sage #598556 ΔE 0.045
- Steel Grey #6F828A ΔE 0.047
- Battleship Grey #6B7C85 ΔE 0.047
- Medium Grey #7D7F7C ΔE 0.051
- Grey Blue #647D8E ΔE 0.054
- Dark Cyan #008B8B ΔE 0.055
Use #5A8575 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.