#577C55
Closest named color: Dark Sage (#598556). oklch(54.7% 0.073 143.3), rgb(87, 124, 85).
Aa
White text reads best on this color (4.75:1).
About this color
#577C55 is a medium-dark, moderately saturated green. In OKLCH its lightness is 55%, its chroma 0.073 and its hue 143°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Sage (#598556), ΔE 0.028 away. White text reads best on it, at 4.75:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.073) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 4.41:1 |
| White text | 4.75:1 |
Values
| HEX | #577C55 |
| RGB | rgb(87, 124, 85) |
| HSL | hsl(117, 19%, 41%) |
| OKLCH | oklch(54.7% 0.073 143.3) |
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 #577C55 | 4.75:1 | AA | Lc -78.4 | Fine for body text |
| Black text on #577C55 | 4.41:1 | AA large text | Lc 31.1 | Non-text elements, placeholder text |
| #577C55 text on white | 4.75:1 | AA | Lc 72.9 | Content text, not long reading |
| #577C55 text on black | 4.41:1 | AA large text | Lc -28.8 | 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
#F4F6F3
oklch(97.1% 0.004 134.8)
-
Step 100
100
#E6ECE6
oklch(93.7% 0.01 145.5)
-
Step 200
200
#D2DCD2
oklch(88.4% 0.017 145.4)
-
Step 300
300
#B5C6B3
oklch(80.8% 0.032 142.3)
-
Step 400
400
#8EA98C
oklch(70.6% 0.051 143.2)
-
Step 500
500
#71946F
oklch(63% 0.067 143.4)
-
Step 600
600 (this color)
#577C55
oklch(54.7% 0.073 143.3)
-
Step 700
700
#496B47
oklch(49.1% 0.069 143.1)
-
Step 800
800
#3C573B
oklch(42.7% 0.056 143.7)
-
Step 900
900
#344832
oklch(37.8% 0.045 142.4)
-
Step 950
950
#1E2A1E
oklch(27% 0.027 144.8)
#577C55 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) | #7E7553 | 0.056 |
| Deuteranopia (no green cones) | #787157 | 0.055 |
| Tritanopia (no blue cones) | #547A72 | 0.046 |
| Achromatopsia (no color) | #737373 | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #577C55
#577C55
oklch(54.7% 0.073 143.3)
- #866289
#866289
oklch(54.7% 0.073 323.9)
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 #577C55, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.028
- Military Green #667C3E ΔE 0.032
- Muddy Green #657432 ΔE 0.042
- Swamp #698339 ΔE 0.049
- Dark Moss Green #606C38 ΔE 0.050
- Sea Green #2E8B57 ΔE 0.054
- Slate Green #658D6D ΔE 0.058
- Dark Olive Green #556B2F ΔE 0.060
Use #577C55 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.