#578E69
Closest named color: Slate Green (#658D6D). oklch(59.8% 0.082 153.8), rgb(87, 142, 105).
Aa
Black text reads best on this color (5.47:1).
About this color
#578E69 is a medium-dark, moderately saturated green. In OKLCH its lightness is 60%, its chroma 0.082 and its hue 154°. 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 5.47:1.
| Hue family | Greens |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.082) |
| Temperature | in between |
| Nearest name | Slate Green (#658D6D) |
| Black text | 5.47:1 |
| White text | 3.83:1 |
Values
| HEX | #578E69 |
| RGB | rgb(87, 142, 105) |
| HSL | hsl(140, 24%, 45%) |
| OKLCH | oklch(59.8% 0.082 153.8) |
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 #578E69 | 3.83:1 | AA large text | Lc -71.2 | Content text, not long reading |
| Black text on #578E69 | 5.47:1 | AA | Lc 38.3 | Non-text elements, placeholder text |
| #578E69 text on white | 3.83:1 | AA large text | Lc 65.7 | Content text, not long reading |
| #578E69 text on black | 5.47:1 | AA | Lc -35.9 | 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 500.
-
Step 50
50
#F3F6F4
oklch(97% 0.004 157.2)
-
Step 100
100
#E4ECE6
oklch(93.5% 0.012 153.7)
-
Step 200
200
#CFDED2
oklch(88.6% 0.023 151.6)
-
Step 300
300
#AEC9B5
oklch(81% 0.04 153.3)
-
Step 400
400
#82AD8E
oklch(70.8% 0.065 153.2)
-
Step 500
500 (this color)
#578E69
oklch(59.8% 0.082 153.8)
-
Step 600
600
#46825B
oklch(55.5% 0.088 154)
-
Step 700
700
#376E4B
oklch(49% 0.082 154.2)
-
Step 800
800
#2E5A3D
oklch(42.7% 0.069 153.5)
-
Step 900
900
#2A4A34
oklch(37.7% 0.054 153.2)
-
Step 950
950
#192B1F
oklch(26.9% 0.033 154.5)
#578E69 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) | #8E8667 | 0.073 |
| Deuteranopia (no green cones) | #85806B | 0.070 |
| Tritanopia (no blue cones) | #4D8D84 | 0.041 |
| Achromatopsia (no color) | #828282 | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #578E69
#578E69
oklch(59.8% 0.082 153.8)
- #9D6D94
#9D6D94
oklch(59.7% 0.081 333.4)
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 #578E69, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Green #658D6D ΔE 0.018
- Dark Sage #598556 ΔE 0.031
- Ocean Green #3D9973 ΔE 0.034
- Light Forest Green #4F9153 ΔE 0.036
- Dusty Teal #4C9085 ΔE 0.039
- Viridian #1E9167 ΔE 0.042
- Green Grey #77926F ΔE 0.043
- Sea Green #2E8B57 ΔE 0.047
Use #578E69 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.