#558161
Closest named color: Dark Sage (#598556). oklch(56.2% 0.069 152.3), rgb(85, 129, 97).
Aa
Black text reads best on this color (4.69:1).
About this color
#558161 is a medium-dark, muted green. In OKLCH its lightness is 56%, its chroma 0.069 and its hue 152°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Sage (#598556), ΔE 0.023 away. Black text reads best on it, at 4.69:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | muted (0.069) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 4.69:1 |
| White text | 4.46:1 |
Values
| HEX | #558161 |
| RGB | rgb(85, 129, 97) |
| HSL | hsl(136, 21%, 42%) |
| OKLCH | oklch(56.2% 0.069 152.3) |
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 #558161 | 4.46:1 | AA large text | Lc -76.4 | Fine for body text |
| Black text on #558161 | 4.69:1 | AA | Lc 33.1 | Non-text elements, placeholder text |
| #558161 text on white | 4.46:1 | AA large text | Lc 71.0 | Content text, not long reading |
| #558161 text on black | 4.69:1 | AA | Lc -30.7 | 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
#F3F6F4
oklch(97% 0.004 157.2)
-
Step 100
100
#E6ECE7
oklch(93.7% 0.009 150.7)
-
Step 200
200
#D1DDD4
oklch(88.6% 0.018 153.5)
-
Step 300
300
#B2C7B7
oklch(80.9% 0.032 152.8)
-
Step 400
400
#8AAA92
oklch(70.7% 0.049 152.6)
-
Step 500
500
#6C9577
oklch(63.1% 0.064 152.6)
-
Step 600
600 (this color)
#558161
oklch(56.2% 0.069 152.3)
-
Step 700
700
#446B4F
oklch(49% 0.063 152.5)
-
Step 800
800
#385841
oklch(42.8% 0.054 152.5)
-
Step 900
900
#314837
oklch(37.7% 0.041 152.2)
-
Step 950
950
#1D2A20
oklch(26.9% 0.026 151.5)
#558161 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) | #817A5F | 0.061 |
| Deuteranopia (no green cones) | #7A7563 | 0.060 |
| Tritanopia (no blue cones) | #4E8078 | 0.036 |
| Achromatopsia (no color) | #777777 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #558161
#558161
oklch(56.2% 0.069 152.3)
- #8E6687
#8E6687
oklch(56.3% 0.069 332.7)
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 #558161, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.023
- Slate Green #658D6D ΔE 0.043
- Military Green #667C3E ΔE 0.044
- Sea Green #2E8B57 ΔE 0.050
- Swamp #698339 ΔE 0.054
- Viridian #1E9167 ΔE 0.056
- Dusty Teal #4C9085 ΔE 0.057
- Light Forest Green #4F9153 ΔE 0.058
Use #558161 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.