#558561
Closest named color: Dark Sage (#598556). oklch(57.2% 0.076 151.3), rgb(85, 133, 97).
Aa
Black text reads best on this color (4.91:1).
About this color
#558561 is a medium-dark, moderately saturated green. In OKLCH its lightness is 57%, its chroma 0.076 and its hue 151°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Sage (#598556), ΔE 0.015 away. Black text reads best on it, at 4.91:1.
| Hue family | Greens |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.076) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 4.91:1 |
| White text | 4.27:1 |
Values
| HEX | #558561 |
| RGB | rgb(85, 133, 97) |
| HSL | hsl(135, 22%, 43%) |
| OKLCH | oklch(57.2% 0.076 151.3) |
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 #558561 | 4.27:1 | AA large text | Lc -75.0 | Content text, not long reading |
| Black text on #558561 | 4.91:1 | AA | Lc 34.6 | Non-text elements, placeholder text |
| #558561 text on white | 4.27:1 | AA large text | Lc 69.5 | Content text, not long reading |
| #558561 text on black | 4.91:1 | AA | Lc -32.2 | 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
#E5ECE6
oklch(93.6% 0.011 149.9)
-
Step 200
200
#D0DDD3
oklch(88.5% 0.019 152.8)
-
Step 300
300
#B1C7B6
oklch(80.8% 0.034 152.3)
-
Step 400
400
#88AB90
oklch(70.8% 0.055 151.7)
-
Step 500
500
#6A9674
oklch(63.1% 0.07 151.1)
-
Step 600
600 (this color)
#558561
oklch(57.2% 0.076 151.3)
-
Step 700
700
#416C4C
oklch(49% 0.07 151.3)
-
Step 800
800
#36583E
oklch(42.6% 0.059 150.8)
-
Step 900
900
#2F4935
oklch(37.8% 0.047 150.9)
-
Step 950
950
#1C2B1F
oklch(27.1% 0.03 150.2)
#558561 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) | #857D5F | 0.066 |
| Deuteranopia (no green cones) | #7E7863 | 0.065 |
| Tritanopia (no blue cones) | #4D837B | 0.041 |
| Achromatopsia (no color) | #7A7A7A | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #558561
#558561
oklch(57.2% 0.076 151.3)
- #92678D
#92678D
oklch(57.1% 0.077 330.6)
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 #558561, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.015
- Slate Green #658D6D ΔE 0.034
- Sea Green #2E8B57 ΔE 0.043
- Military Green #667C3E ΔE 0.044
- Light Forest Green #4F9153 ΔE 0.047
- Viridian #1E9167 ΔE 0.048
- Swamp #698339 ΔE 0.049
- Fern Green #548D44 ΔE 0.051
Use #558561 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.