#558B59
Closest named color: Dark Sage (#598556). oklch(58.5% 0.095 145.9), rgb(85, 139, 89).
Aa
Black text reads best on this color (5.22:1).
About this color
#558B59 is a medium-dark, moderately saturated green. In OKLCH its lightness is 59%, its chroma 0.095 and its hue 146°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Sage (#598556), ΔE 0.017 away. Black text reads best on it, at 5.22:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.095) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 5.22:1 |
| White text | 4.02:1 |
Values
| HEX | #558B59 |
| RGB | rgb(85, 139, 89) |
| HSL | hsl(124, 24%, 44%) |
| OKLCH | oklch(58.5% 0.095 145.9) |
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 #558B59 | 4.02:1 | AA large text | Lc -72.9 | Content text, not long reading |
| Black text on #558B59 | 5.22:1 | AA | Lc 36.7 | Non-text elements, placeholder text |
| #558B59 text on white | 4.02:1 | AA large text | Lc 67.4 | Content text, not long reading |
| #558B59 text on black | 5.22:1 | AA | Lc -34.3 | 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
#F3F6F3
oklch(97% 0.005 145.5)
-
Step 100
100
#E5ECE5
oklch(93.6% 0.012 145.5)
-
Step 200
200
#D0DED0
oklch(88.6% 0.024 145.4)
-
Step 300
300
#B0C8B0
oklch(80.8% 0.042 145.2)
-
Step 400
400
#85AC87
oklch(70.6% 0.068 146.1)
-
Step 500
500
#669869
oklch(63.1% 0.088 145.9)
-
Step 600
600 (this color)
#558B59
oklch(58.5% 0.095 145.9)
-
Step 700
700
#3D6E41
oklch(49.1% 0.089 145.9)
-
Step 800
800
#335A36
oklch(42.8% 0.074 145.9)
-
Step 900
900
#2D4A2F
oklch(37.8% 0.057 145.9)
-
Step 950
950
#1B2B1C
oklch(27% 0.035 146.1)
#558B59 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) | #8D8256 | 0.076 |
| Deuteranopia (no green cones) | #857D5C | 0.074 |
| Tritanopia (no blue cones) | #4E887E | 0.057 |
| Achromatopsia (no color) | #7F7F7F | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #558B59
#558B59
oklch(58.5% 0.095 145.9)
- #99679A
#99679A
oklch(58.4% 0.096 326.1)
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 #558B59, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.017
- Light Forest Green #4F9153 ΔE 0.023
- Fern Green #548D44 ΔE 0.029
- Sea Green #2E8B57 ΔE 0.034
- Slate Green #658D6D ΔE 0.036
- Viridian #1E9167 ΔE 0.039
- Swamp #698339 ΔE 0.039
- Moss Green #658B38 ΔE 0.039
Use #558B59 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.