#577F6D
Closest named color: Dark Sage (#598556). oklch(56.1% 0.053 164.9), rgb(87, 127, 109).
Aa
Black text reads best on this color (4.66:1).
About this color
#577F6D is a medium-dark, muted green. In OKLCH its lightness is 56%, its chroma 0.053 and its hue 165°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Sage (#598556), ΔE 0.043 away. Black text reads best on it, at 4.66:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | muted (0.053) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 4.66:1 |
| White text | 4.50:1 |
Values
| HEX | #577F6D |
| RGB | rgb(87, 127, 109) |
| HSL | hsl(153, 19%, 42%) |
| OKLCH | oklch(56.1% 0.053 164.9) |
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 #577F6D | 4.50:1 | AA | Lc -76.7 | Fine for body text |
| Black text on #577F6D | 4.66:1 | AA | Lc 32.9 | Non-text elements, placeholder text |
| #577F6D text on white | 4.50:1 | AA | Lc 71.2 | Content text, not long reading |
| #577F6D text on black | 4.66:1 | AA | Lc -30.4 | 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
#E6EBE9
oklch(93.6% 0.006 170.4)
-
Step 200
200
#D2DCD7
oklch(88.5% 0.013 164.8)
-
Step 300
300
#B3C6BD
oklch(80.9% 0.024 165.7)
-
Step 400
400
#8BA99B
oklch(70.8% 0.039 165.3)
-
Step 500
500
#6E9382
oklch(63.1% 0.048 165)
-
Step 600
600 (this color)
#577F6D
oklch(56.1% 0.053 164.9)
-
Step 700
700
#466A5A
oklch(49.2% 0.049 165)
-
Step 800
800
#395649
oklch(42.6% 0.041 164.9)
-
Step 900
900
#32473D
oklch(37.7% 0.031 163.9)
-
Step 950
950
#1D2A24
oklch(27.1% 0.021 164.8)
#577F6D 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) | #7D7A6C | 0.052 |
| Deuteranopia (no green cones) | #76756E | 0.049 |
| Tritanopia (no blue cones) | #4E7F7A | 0.021 |
| Achromatopsia (no color) | #777777 | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #577F6D
#577F6D
oklch(56.1% 0.053 164.9)
- #8C697C
#8C697C
oklch(56.2% 0.052 345.1)
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 #577F6D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.043
- Slate Green #658D6D ΔE 0.048
- Battleship Grey #6B7C85 ΔE 0.050
- Dusty Teal #4C9085 ΔE 0.051
- Battleship Gray #6C757D ΔE 0.053
- Steel Grey #6F828A ΔE 0.056
- Teal #008080 ΔE 0.057
- Grey Blue #647D8E ΔE 0.058
Use #577F6D 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.