#577F6C
Closest named color: Dark Sage (#598556). oklch(56.1% 0.054 163.5), rgb(87, 127, 108).
Aa
Black text reads best on this color (4.65:1).
About this color
#577F6C is a medium-dark, muted green. In OKLCH its lightness is 56%, its chroma 0.054 and its hue 164°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Sage (#598556), ΔE 0.042 away. Black text reads best on it, at 4.65:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | muted (0.054) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 4.65:1 |
| White text | 4.50:1 |
Values
| HEX | #577F6C |
| RGB | rgb(87, 127, 108) |
| HSL | hsl(152, 19%, 42%) |
| OKLCH | oklch(56.1% 0.054 163.5) |
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 #577F6C | 4.50:1 | AA | Lc -76.7 | Fine for body text |
| Black text on #577F6C | 4.65:1 | AA | Lc 32.8 | Non-text elements, placeholder text |
| #577F6C text on white | 4.50:1 | AA | Lc 71.3 | Content text, not long reading |
| #577F6C text on black | 4.65:1 | 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
#E6EBE8
oklch(93.5% 0.007 160.1)
-
Step 200
200
#D2DCD7
oklch(88.5% 0.013 164.8)
-
Step 300
300
#B3C6BC
oklch(80.9% 0.025 163)
-
Step 400
400
#8BA99A
oklch(70.8% 0.04 163.6)
-
Step 500
500
#6E9381
oklch(63% 0.049 163.6)
-
Step 600
600 (this color)
#577F6C
oklch(56.1% 0.054 163.5)
-
Step 700
700
#466A59
oklch(49.2% 0.05 163.5)
-
Step 800
800
#3A5649
oklch(42.7% 0.04 164.1)
-
Step 900
900
#32473D
oklch(37.7% 0.031 163.9)
-
Step 950
950
#1D2A24
oklch(27.1% 0.021 164.8)
#577F6C 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) | #7E796B | 0.054 |
| Deuteranopia (no green cones) | #77756D | 0.050 |
| Tritanopia (no blue cones) | #4E7F79 | 0.021 |
| Achromatopsia (no color) | #777777 | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #577F6C
#577F6C
oklch(56.1% 0.054 163.5)
- #8C687D
#8C687D
oklch(56% 0.055 343.2)
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 #577F6C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.042
- Slate Green #658D6D ΔE 0.047
- Dusty Teal #4C9085 ΔE 0.052
- Battleship Grey #6B7C85 ΔE 0.052
- Battleship Gray #6C757D ΔE 0.054
- Teal #008080 ΔE 0.057
- Steel Grey #6F828A ΔE 0.058
- Medium Grey #7D7F7C ΔE 0.059
Use #577F6C 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.