#577F5F
Closest named color: Dark Sage (#598556). oklch(55.7% 0.067 150), rgb(87, 127, 95).
Aa
Black text reads best on this color (4.60:1).
About this color
#577F5F is a medium-dark, muted green. In OKLCH its lightness is 56%, its chroma 0.067 and its hue 150°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Sage (#598556), ΔE 0.026 away. Black text reads best on it, at 4.60:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | muted (0.067) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 4.60:1 |
| White text | 4.55:1 |
Values
| HEX | #577F5F |
| RGB | rgb(87, 127, 95) |
| HSL | hsl(132, 19%, 42%) |
| OKLCH | oklch(55.7% 0.067 150) |
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 #577F5F | 4.55:1 | AA | Lc -77.1 | Fine for body text |
| Black text on #577F5F | 4.60:1 | AA | Lc 32.5 | Non-text elements, placeholder text |
| #577F5F text on white | 4.55:1 | AA | Lc 71.6 | Content text, not long reading |
| #577F5F text on black | 4.60:1 | AA | Lc -30.1 | 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
#F4F6F4
oklch(97.1% 0.003 145.5)
-
Step 100
100
#E6EBE7
oklch(93.5% 0.008 151.9)
-
Step 200
200
#D2DCD3
oklch(88.4% 0.016 148.4)
-
Step 300
300
#B4C6B7
oklch(80.9% 0.029 150.3)
-
Step 400
400
#8CA991
oklch(70.6% 0.047 150)
-
Step 500
500
#6F9476
oklch(63% 0.061 150.1)
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Step 600
600 (this color)
#577F5F
oklch(55.7% 0.067 150)
-
Step 700
700
#476B4E
oklch(49.2% 0.062 149.7)
-
Step 800
800
#3A5740
oklch(42.7% 0.051 150.2)
-
Step 900
900
#324836
oklch(37.7% 0.041 149.7)
-
Step 950
950
#1E2A20
oklch(27% 0.025 149.5)
#577F5F 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) | #80785D | 0.058 |
| Deuteranopia (no green cones) | #797461 | 0.055 |
| Tritanopia (no blue cones) | #517E76 | 0.036 |
| Achromatopsia (no color) | #767676 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #577F5F
#577F5F
oklch(55.7% 0.067 150)
- #8A6686
#8A6686
oklch(55.8% 0.065 330.2)
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 #577F5F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.026
- Military Green #667C3E ΔE 0.042
- Slate Green #658D6D ΔE 0.047
- Sea Green #2E8B57 ΔE 0.054
- Muddy Green #657432 ΔE 0.055
- Swamp #698339 ΔE 0.055
- Dusty Teal #4C9085 ΔE 0.061
- Viridian #1E9167 ΔE 0.061
Use #577F5F 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.