#577B57
Closest named color: Dark Sage (#598556). oklch(54.5% 0.069 144.6), rgb(87, 123, 87).
Aa
White text reads best on this color (4.79:1).
About this color
#577B57 is a medium-dark, muted green. In OKLCH its lightness is 55%, its chroma 0.069 and its hue 145°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Sage (#598556), ΔE 0.032 away. White text reads best on it, at 4.79:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | muted (0.069) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 4.37:1 |
| White text | 4.79:1 |
Values
| HEX | #577B57 |
| RGB | rgb(87, 123, 87) |
| HSL | hsl(120, 17%, 41%) |
| OKLCH | oklch(54.5% 0.069 144.6) |
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 #577B57 | 4.79:1 | AA | Lc -78.7 | Fine for body text |
| Black text on #577B57 | 4.37:1 | AA large text | Lc 30.8 | Non-text elements, placeholder text |
| #577B57 text on white | 4.79:1 | AA | Lc 73.2 | Content text, not long reading |
| #577B57 text on black | 4.37:1 | AA large text | Lc -28.4 | Dividers and decoration only |
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
#F4F6F4
oklch(97.1% 0.003 145.5)
-
Step 100
100
#E6EBE6
oklch(93.5% 0.009 145.5)
-
Step 200
200
#D3DCD2
oklch(88.5% 0.017 142.6)
-
Step 300
300
#B5C6B4
oklch(80.8% 0.031 143.7)
-
Step 400
400
#8EA98E
oklch(70.7% 0.049 145)
-
Step 500
500
#729472
oklch(63.1% 0.063 144.8)
-
Step 600
600 (this color)
#577B57
oklch(54.5% 0.069 144.6)
-
Step 700
700
#4A6A4A
oklch(49% 0.063 144.5)
-
Step 800
800
#3D573D
oklch(42.8% 0.053 144.6)
-
Step 900
900
#344834
oklch(37.8% 0.042 144.7)
-
Step 950
950
#1F2A1E
oklch(27.1% 0.027 142.7)
#577B57 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) | #7D7455 | 0.055 |
| Deuteranopia (no green cones) | #777159 | 0.053 |
| Tritanopia (no blue cones) | #537971 | 0.041 |
| Achromatopsia (no color) | #727272 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #577B57
#577B57
oklch(54.5% 0.069 144.6)
- #856287
#856287
oklch(54.5% 0.07 324.7)
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 #577B57, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.032
- Military Green #667C3E ΔE 0.036
- Muddy Green #657432 ΔE 0.044
- Dark Moss Green #606C38 ΔE 0.049
- Swamp #698339 ΔE 0.054
- Sea Green #2E8B57 ΔE 0.058
- Slate Green #658D6D ΔE 0.060
- Dark Olive Green #556B2F ΔE 0.060
Use #577B57 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.