#577C57
Closest named color: Dark Sage (#598556). oklch(54.8% 0.07 144.5), rgb(87, 124, 87).
Aa
White text reads best on this color (4.74:1).
About this color
#577C57 is a medium-dark, moderately saturated green. In OKLCH its lightness is 55%, its chroma 0.070 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 0.028 away. White text reads best on it, at 4.74:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.070) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 4.42:1 |
| White text | 4.74:1 |
Values
| HEX | #577C57 |
| RGB | rgb(87, 124, 87) |
| HSL | hsl(120, 18%, 41%) |
| OKLCH | oklch(54.8% 0.07 144.5) |
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 #577C57 | 4.74:1 | AA | Lc -78.3 | Fine for body text |
| Black text on #577C57 | 4.42:1 | AA large text | Lc 31.2 | Non-text elements, placeholder text |
| #577C57 text on white | 4.74:1 | AA | Lc 72.9 | Content text, not long reading |
| #577C57 text on black | 4.42:1 | 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
#F4F6F4
oklch(97.1% 0.003 145.5)
-
Step 100
100
#E6EBE6
oklch(93.5% 0.009 145.5)
-
Step 200
200
#D2DCD2
oklch(88.4% 0.017 145.4)
-
Step 300
300
#B5C6B4
oklch(80.8% 0.031 143.7)
-
Step 400
400
#8EA98D
oklch(70.6% 0.05 144.1)
-
Step 500
500
#719471
oklch(63% 0.065 144.8)
-
Step 600
600 (this color)
#577C57
oklch(54.8% 0.07 144.5)
-
Step 700
700
#496B49
oklch(49.2% 0.066 144.5)
-
Step 800
800
#3C573C
oklch(42.7% 0.055 144.5)
-
Step 900
900
#344833
oklch(37.8% 0.043 143.5)
-
Step 950
950
#1E2A1E
oklch(27% 0.027 144.8)
#577C57 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) | #7E7555 | 0.056 |
| Deuteranopia (no green cones) | #787259 | 0.053 |
| Tritanopia (no blue cones) | #537A72 | 0.043 |
| Achromatopsia (no color) | #737373 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #577C57
#577C57
oklch(54.8% 0.07 144.5)
- #866388
#866388
oklch(54.8% 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 #577C57, 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 0.034
- Muddy Green #657432 ΔE 0.044
- Dark Moss Green #606C38 ΔE 0.051
- Swamp #698339 ΔE 0.051
- Sea Green #2E8B57 ΔE 0.055
- Slate Green #658D6D ΔE 0.057
- Dark Olive Green #556B2F ΔE 0.061
Use #577C57 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.