#5B8976
Closest named color: Slate Green (#658D6D). oklch(59.1% 0.058 166.7), rgb(91, 137, 118).
Aa
Black text reads best on this color (5.28:1).
About this color
#5B8976 is a medium-dark, muted green. In OKLCH its lightness is 59%, its chroma 0.058 and its hue 167°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Slate Green (#658D6D), ΔE 0.023 away. Black text reads best on it, at 5.28:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | muted (0.058) |
| Temperature | in between |
| Nearest name | Slate Green (#658D6D) |
| Black text | 5.28:1 |
| White text | 3.97:1 |
Values
| HEX | #5B8976 |
| RGB | rgb(91, 137, 118) |
| HSL | hsl(155, 20%, 45%) |
| OKLCH | oklch(59.1% 0.058 166.7) |
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 #5B8976 | 3.97:1 | AA large text | Lc -72.5 | Content text, not long reading |
| Black text on #5B8976 | 5.28:1 | AA | Lc 37.1 | Non-text elements, placeholder text |
| #5B8976 text on white | 3.97:1 | AA large text | Lc 67.0 | Content text, not long reading |
| #5B8976 text on black | 5.28:1 | AA | Lc -34.6 | 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
#6A9482
oklch(63% 0.054 166.3)
-
Step 600
600 (this color)
#5B8976
oklch(59.1% 0.058 166.7)
-
Step 700
700
#416B5A
oklch(49.2% 0.055 166.6)
-
Step 800
800
#36574A
oklch(42.7% 0.045 167.5)
-
Step 900
900
#2F483D
oklch(37.8% 0.036 165.3)
-
Step 950
950
#1C2A24
oklch(27% 0.022 166.4)
#5B8976 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) | #878375 | 0.059 |
| Deuteranopia (no green cones) | #7F7D77 | 0.057 |
| Tritanopia (no blue cones) | #508983 | 0.021 |
| Achromatopsia (no color) | #808080 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B8976
#5B8976
oklch(59.1% 0.058 166.7)
- #987085
#987085
oklch(59.2% 0.058 346.2)
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 #5B8976, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Green #658D6D ΔE 0.023
- Dusty Teal #4C9085 ΔE 0.026
- Dark Sage #598556 ΔE 0.044
- Green Grey #77926F ΔE 0.048
- Steel Grey #6F828A ΔE 0.050
- Sea #3C9992 ΔE 0.053
- Grey Teal #5E9B8A ΔE 0.053
- Ocean Green #3D9973 ΔE 0.054
Use #5B8976 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.