#558B70
Closest named color: Slate Green (#658D6D). oklch(59.1% 0.071 161.4), rgb(85, 139, 112).
Aa
Black text reads best on this color (5.31:1).
About this color
#558B70 is a medium-dark, moderately saturated green. In OKLCH its lightness is 59%, its chroma 0.071 and its hue 161°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Slate Green (#658D6D), ΔE 0.020 away. Black text reads best on it, at 5.31:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.071) |
| Temperature | in between |
| Nearest name | Slate Green (#658D6D) |
| Black text | 5.31:1 |
| White text | 3.95:1 |
Values
| HEX | #558B70 |
| RGB | rgb(85, 139, 112) |
| HSL | hsl(150, 24%, 44%) |
| OKLCH | oklch(59.1% 0.071 161.4) |
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 #558B70 | 3.95:1 | AA large text | Lc -72.3 | Content text, not long reading |
| Black text on #558B70 | 5.31:1 | AA | Lc 37.3 | Non-text elements, placeholder text |
| #558B70 text on white | 3.95:1 | AA large text | Lc 66.8 | Content text, not long reading |
| #558B70 text on black | 5.31:1 | AA | Lc -34.9 | 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
#E5ECE8
oklch(93.7% 0.009 161.3)
-
Step 200
200
#CFDDD5
oklch(88.5% 0.019 161.1)
-
Step 300
300
#AFC7BA
oklch(80.8% 0.032 162)
-
Step 400
400
#85AB96
oklch(70.7% 0.051 160.6)
-
Step 500
500
#65967D
oklch(63.1% 0.065 161.6)
-
Step 600
600 (this color)
#558B70
oklch(59.1% 0.071 161.4)
-
Step 700
700
#3C6D55
oklch(49.3% 0.066 161.3)
-
Step 800
800
#325845
oklch(42.6% 0.054 161.1)
-
Step 900
900
#2C493A
oklch(37.7% 0.044 160.8)
-
Step 950
950
#1A2B22
oklch(27.1% 0.028 160.6)
#558B70 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) | #8A846F | 0.070 |
| Deuteranopia (no green cones) | #817D72 | 0.068 |
| Tritanopia (no blue cones) | #488B83 | 0.029 |
| Achromatopsia (no color) | #808080 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #558B70
#558B70
oklch(59.1% 0.071 161.4)
- #9B6D8A
#9B6D8A
oklch(59.1% 0.071 341.3)
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 #558B70, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Green #658D6D ΔE 0.020
- Dusty Teal #4C9085 ΔE 0.029
- Dark Sage #598556 ΔE 0.035
- Ocean Green #3D9973 ΔE 0.043
- Viridian #1E9167 ΔE 0.047
- Green Grey #77926F ΔE 0.048
- Light Forest Green #4F9153 ΔE 0.050
- Sea Green #2E8B57 ΔE 0.053
Use #558B70 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.