#577F6A
Closest named color: Dark Sage (#598556). oklch(56% 0.055 161), rgb(87, 127, 106).
Aa
Black text reads best on this color (4.64:1).
About this color
#577F6A is a medium-dark, muted green. In OKLCH its lightness is 56%, its chroma 0.055 and its hue 161°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Sage (#598556), ΔE 0.039 away. Black text reads best on it, at 4.64:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | muted (0.055) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 4.64:1 |
| White text | 4.51:1 |
Values
| HEX | #577F6A |
| RGB | rgb(87, 127, 106) |
| HSL | hsl(149, 19%, 42%) |
| OKLCH | oklch(56% 0.055 161) |
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 #577F6A | 4.51:1 | AA | Lc -76.8 | Fine for body text |
| Black text on #577F6A | 4.64:1 | AA | Lc 32.8 | Non-text elements, placeholder text |
| #577F6A text on white | 4.51:1 | AA | Lc 71.3 | Content text, not long reading |
| #577F6A text on black | 4.64:1 | 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
#D2DCD6
oklch(88.5% 0.013 159.9)
-
Step 300
300
#B3C6BB
oklch(80.9% 0.026 160.4)
-
Step 400
400
#8BA999
oklch(70.7% 0.04 161.9)
-
Step 500
500
#6E937F
oklch(63% 0.051 160.9)
-
Step 600
600 (this color)
#577F6A
oklch(56% 0.055 161)
-
Step 700
700
#466A57
oklch(49.1% 0.052 160.7)
-
Step 800
800
#3A5647
oklch(42.6% 0.042 160.5)
-
Step 900
900
#32473C
oklch(37.7% 0.032 161.5)
-
Step 950
950
#1D2A23
oklch(27% 0.022 160.9)
#577F6A 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) | #7E7969 | 0.054 |
| Deuteranopia (no green cones) | #77746B | 0.052 |
| Tritanopia (no blue cones) | #4F7F79 | 0.023 |
| Achromatopsia (no color) | #767676 | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #577F6A
#577F6A
oklch(56% 0.055 161)
- #8C687E
#8C687E
oklch(56.1% 0.056 341.8)
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 #577F6A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.039
- Slate Green #658D6D ΔE 0.047
- Dusty Teal #4C9085 ΔE 0.053
- Battleship Grey #6B7C85 ΔE 0.055
- Battleship Gray #6C757D ΔE 0.056
- Military Green #667C3E ΔE 0.057
- Teal #008080 ΔE 0.058
- Steel Grey #6F828A ΔE 0.060
Use #577F6A 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.