#558D59
Closest named color: Light Forest Green (#4F9153). oklch(59.1% 0.098 145.8), rgb(85, 141, 89).
Aa
Black text reads best on this color (5.34:1).
About this color
#558D59 is a medium-dark, moderately saturated green. In OKLCH its lightness is 59%, its chroma 0.098 and its hue 146°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Forest Green (#4F9153), ΔE 0.017 away. Black text reads best on it, at 5.34:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.098) |
| Temperature | in between |
| Nearest name | Light Forest Green (#4F9153) |
| Black text | 5.34:1 |
| White text | 3.93:1 |
Values
| HEX | #558D59 |
| RGB | rgb(85, 141, 89) |
| HSL | hsl(124, 25%, 44%) |
| OKLCH | oklch(59.1% 0.098 145.8) |
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 #558D59 | 3.93:1 | AA large text | Lc -72.1 | Content text, not long reading |
| Black text on #558D59 | 5.34:1 | AA | Lc 37.5 | Non-text elements, placeholder text |
| #558D59 text on white | 3.93:1 | AA large text | Lc 66.6 | Content text, not long reading |
| #558D59 text on black | 5.34:1 | AA | Lc -35.1 | 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
#F3F6F3
oklch(97% 0.005 145.5)
-
Step 100
100
#E5ECE5
oklch(93.6% 0.012 145.5)
-
Step 200
200
#CFDED0
oklch(88.5% 0.025 147.3)
-
Step 300
300
#AFC9B0
oklch(81% 0.045 146.2)
-
Step 400
400
#85AD86
oklch(70.8% 0.071 145.4)
-
Step 500
500
#659868
oklch(63% 0.09 145.8)
-
Step 600
600 (this color)
#558D59
oklch(59.1% 0.098 145.8)
-
Step 700
700
#3C6E40
oklch(49% 0.09 145.8)
-
Step 800
800
#325A35
oklch(42.7% 0.075 145.8)
-
Step 900
900
#2C4A2E
oklch(37.7% 0.059 145.8)
-
Step 950
950
#1A2B1B
oklch(26.9% 0.037 145.9)
#558D59 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) | #8F8455 | 0.077 |
| Deuteranopia (no green cones) | #867E5C | 0.076 |
| Tritanopia (no blue cones) | #4E8A80 | 0.060 |
| Achromatopsia (no color) | #808080 | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #558D59
#558D59
oklch(59.1% 0.098 145.8)
- #9B689D
#9B689D
oklch(59% 0.098 325.4)
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 #558D59, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Forest Green #4F9153 ΔE 0.017
- Dark Sage #598556 ΔE 0.023
- Fern Green #548D44 ΔE 0.026
- Sea Green #2E8B57 ΔE 0.035
- Slate Green #658D6D ΔE 0.036
- Moss Green #658B38 ΔE 0.037
- Viridian #1E9167 ΔE 0.038
- Swamp #698339 ΔE 0.040
Use #558D59 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.