#577F69
Closest named color: Dark Sage (#598556). oklch(56% 0.056 159.8), rgb(87, 127, 105).
Aa
Black text reads best on this color (4.64:1).
About this color
#577F69 is a medium-dark, muted green. In OKLCH its lightness is 56%, its chroma 0.056 and its hue 160°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Sage (#598556), ΔE 0.038 away. Black text reads best on it, at 4.64:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | muted (0.056) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 4.64:1 |
| White text | 4.52:1 |
Values
| HEX | #577F69 |
| RGB | rgb(87, 127, 105) |
| HSL | hsl(147, 19%, 42%) |
| OKLCH | oklch(56% 0.056 159.8) |
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 #577F69 | 4.52:1 | AA | Lc -76.8 | Fine for body text |
| Black text on #577F69 | 4.64:1 | AA | Lc 32.7 | Non-text elements, placeholder text |
| #577F69 text on white | 4.52:1 | AA | Lc 71.3 | Content text, not long reading |
| #577F69 text on black | 4.64:1 | AA | Lc -30.3 | 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
#F4F6F5
oklch(97.1% 0.002 165.1)
-
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
#B3C6BB
oklch(80.9% 0.026 160.4)
-
Step 400
400
#8BA998
oklch(70.7% 0.041 160.3)
-
Step 500
500
#6E947F
oklch(63.2% 0.053 160.2)
-
Step 600
600 (this color)
#577F69
oklch(56% 0.056 159.8)
-
Step 700
700
#466A56
oklch(49.1% 0.052 159.4)
-
Step 800
800
#3A5747
oklch(42.9% 0.044 159.7)
-
Step 900
900
#32473B
oklch(37.6% 0.033 159.2)
-
Step 950
950
#1D2A23
oklch(27% 0.022 160.9)
#577F69 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) | #7E7968 | 0.054 |
| Deuteranopia (no green cones) | #77746A | 0.052 |
| Tritanopia (no blue cones) | #4F7F79 | 0.025 |
| Achromatopsia (no color) | #767676 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #577F69
#577F69
oklch(56% 0.056 159.8)
- #8B687F
#8B687F
oklch(56% 0.055 339.6)
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 #577F69, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.038
- Slate Green #658D6D ΔE 0.047
- Dusty Teal #4C9085 ΔE 0.054
- Military Green #667C3E ΔE 0.055
- Battleship Grey #6B7C85 ΔE 0.056
- Battleship Gray #6C757D ΔE 0.057
- Teal #008080 ΔE 0.059
- Steel Grey #6F828A ΔE 0.062
Use #577F69 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.