#558A69
Closest named color: Slate Green (#658D6D). oklch(58.7% 0.076 155.9), rgb(85, 138, 105).
Aa
Black text reads best on this color (5.22:1).
About this color
#558A69 is a medium-dark, moderately saturated green. In OKLCH its lightness is 59%, its chroma 0.076 and its hue 156°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Slate Green (#658D6D), ΔE 0.022 away. Black text reads best on it, at 5.22:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.076) |
| Temperature | in between |
| Nearest name | Slate Green (#658D6D) |
| Black text | 5.22:1 |
| White text | 4.01:1 |
Values
| HEX | #558A69 |
| RGB | rgb(85, 138, 105) |
| HSL | hsl(143, 24%, 44%) |
| OKLCH | oklch(58.7% 0.076 155.9) |
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 #558A69 | 4.01:1 | AA large text | Lc -72.9 | Content text, not long reading |
| Black text on #558A69 | 5.22:1 | AA | Lc 36.7 | Non-text elements, placeholder text |
| #558A69 text on white | 4.01:1 | AA large text | Lc 67.4 | Content text, not long reading |
| #558A69 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
#F3F6F4
oklch(97% 0.004 157.2)
-
Step 100
100
#E5ECE7
oklch(93.6% 0.01 155.1)
-
Step 200
200
#D0DDD4
oklch(88.5% 0.019 155.8)
-
Step 300
300
#B0C8B7
oklch(81% 0.035 154.7)
-
Step 400
400
#85AB92
oklch(70.6% 0.055 155.9)
-
Step 500
500
#669678
oklch(63% 0.069 156.4)
-
Step 600
600 (this color)
#558A69
oklch(58.7% 0.076 155.9)
-
Step 700
700
#3D6D4F
oklch(49.2% 0.072 155.3)
-
Step 800
800
#335941
oklch(42.8% 0.059 155.3)
-
Step 900
900
#2D4937
oklch(37.7% 0.046 155.3)
-
Step 950
950
#1B2B20
oklch(27.1% 0.03 154)
#558A69 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) | #8A8267 | 0.071 |
| Deuteranopia (no green cones) | #817C6B | 0.068 |
| Tritanopia (no blue cones) | #4A8981 | 0.037 |
| Achromatopsia (no color) | #7F7F7F | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #558A69
#558A69
oklch(58.7% 0.076 155.9)
- #996B8E
#996B8E
oklch(58.7% 0.076 335.5)
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 #558A69, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Green #658D6D ΔE 0.022
- Dark Sage #598556 ΔE 0.025
- Dusty Teal #4C9085 ΔE 0.039
- Light Forest Green #4F9153 ΔE 0.043
- Viridian #1E9167 ΔE 0.043
- Ocean Green #3D9973 ΔE 0.044
- Sea Green #2E8B57 ΔE 0.046
- Green Grey #77926F ΔE 0.050
Use #558A69 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.