#577B65
Closest named color: Dark Sage (#598556). oklch(54.9% 0.053 157.3), rgb(87, 123, 101).
Aa
White text reads best on this color (4.74:1).
About this color
#577B65 is a medium-dark, muted green. In OKLCH its lightness is 55%, its chroma 0.053 and its hue 157°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Sage (#598556), ΔE 0.043 away. White text reads best on it, at 4.74:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | muted (0.053) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 4.42:1 |
| White text | 4.74:1 |
Values
| HEX | #577B65 |
| RGB | rgb(87, 123, 101) |
| HSL | hsl(143, 17%, 41%) |
| OKLCH | oklch(54.9% 0.053 157.3) |
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 #577B65 | 4.74:1 | AA | Lc -78.3 | Fine for body text |
| Black text on #577B65 | 4.42:1 | AA large text | Lc 31.2 | Non-text elements, placeholder text |
| #577B65 text on white | 4.74:1 | AA | Lc 72.9 | Content text, not long reading |
| #577B65 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
#E6EBE8
oklch(93.5% 0.007 160.1)
-
Step 200
200
#D2DCD6
oklch(88.5% 0.013 159.9)
-
Step 300
300
#B5C6BB
oklch(81% 0.024 157.5)
-
Step 400
400
#8EA897
oklch(70.7% 0.038 156.6)
-
Step 500
500
#71937E
oklch(63.1% 0.049 157.5)
-
Step 600
600 (this color)
#577B65
oklch(54.9% 0.053 157.3)
-
Step 700
700
#496956
oklch(49% 0.048 158)
-
Step 800
800
#3C5646
oklch(42.7% 0.041 157.1)
-
Step 900
900
#33473B
oklch(37.7% 0.032 158.1)
-
Step 950
950
#1E2A23
oklch(27.1% 0.021 159)
#577B65 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) | #7A7664 | 0.049 |
| Deuteranopia (no green cones) | #747166 | 0.048 |
| Tritanopia (no blue cones) | #507A75 | 0.026 |
| Achromatopsia (no color) | #737373 | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #577B65
#577B65
oklch(54.9% 0.053 157.3)
- #86657D
#86657D
oklch(54.8% 0.055 336.4)
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 #577B65, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.043
- Military Green #667C3E ΔE 0.054
- Battleship Gray #6C757D ΔE 0.056
- Slate Green #658D6D ΔE 0.057
- Battleship Grey #6B7C85 ΔE 0.058
- Grey Brown #7F7053 ΔE 0.060
- Teal #008080 ΔE 0.060
- Dim Gray #696969 ΔE 0.060
Use #577B65 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.