#558D71
Closest named color: Slate Green (#658D6D). oklch(59.6% 0.074 161.3), rgb(85, 141, 113).
Aa
Black text reads best on this color (5.43:1).
About this color
#558D71 is a medium-dark, moderately saturated green. In OKLCH its lightness is 60%, its chroma 0.074 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 0.018 away. Black text reads best on it, at 5.43:1.
| Hue family | Greens |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.074) |
| Temperature | in between |
| Nearest name | Slate Green (#658D6D) |
| Black text | 5.43:1 |
| White text | 3.86:1 |
Values
| HEX | #558D71 |
| RGB | rgb(85, 141, 113) |
| HSL | hsl(150, 25%, 44%) |
| OKLCH | oklch(59.6% 0.074 161.3) |
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 #558D71 | 3.86:1 | AA large text | Lc -71.5 | Content text, not long reading |
| Black text on #558D71 | 5.43:1 | AA | Lc 38.1 | Non-text elements, placeholder text |
| #558D71 text on white | 3.86:1 | AA large text | Lc 66.0 | Content text, not long reading |
| #558D71 text on black | 5.43:1 | AA | Lc -35.6 | 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 500.
-
Step 50
50
#F3F6F4
oklch(97% 0.004 157.2)
-
Step 100
100
#E4ECE8
oklch(93.6% 0.01 164.9)
-
Step 200
200
#CEDDD5
oklch(88.4% 0.019 162.9)
-
Step 300
300
#ADC8B9
oklch(80.8% 0.036 161.2)
-
Step 400
400
#81AC95
oklch(70.7% 0.057 161.1)
-
Step 500
500 (this color)
#558D71
oklch(59.6% 0.074 161.3)
-
Step 600
600
#448264
oklch(55.6% 0.08 161.2)
-
Step 700
700
#356E53
oklch(49.1% 0.075 161.3)
-
Step 800
800
#2D5A44
oklch(42.8% 0.062 160.9)
-
Step 900
900
#294A39
oklch(37.8% 0.049 160.4)
-
Step 950
950
#182B22
oklch(26.9% 0.03 163)
#558D71 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) | #8C8570 | 0.072 |
| Deuteranopia (no green cones) | #827F73 | 0.068 |
| Tritanopia (no blue cones) | #488D85 | 0.031 |
| Achromatopsia (no color) | #828282 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #558D71
#558D71
oklch(59.6% 0.074 161.3)
- #9E6E8C
#9E6E8C
oklch(59.7% 0.073 341.6)
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 #558D71, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Green #658D6D ΔE 0.018
- Dusty Teal #4C9085 ΔE 0.028
- Dark Sage #598556 ΔE 0.037
- Ocean Green #3D9973 ΔE 0.038
- Green Grey #77926F ΔE 0.044
- Viridian #1E9167 ΔE 0.046
- Light Forest Green #4F9153 ΔE 0.048
- Grey Teal #5E9B8A ΔE 0.050
Use #558D71 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.