#577B5F
Closest named color: Dark Sage (#598556). oklch(54.7% 0.06 150.9), rgb(87, 123, 95).
Aa
White text reads best on this color (4.76:1).
About this color
#577B5F is a medium-dark, muted green. In OKLCH its lightness is 55%, its chroma 0.060 and its hue 151°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Sage (#598556), ΔE 0.037 away. White text reads best on it, at 4.76:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | muted (0.060) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 4.40:1 |
| White text | 4.76:1 |
Values
| HEX | #577B5F |
| RGB | rgb(87, 123, 95) |
| HSL | hsl(133, 17%, 41%) |
| OKLCH | oklch(54.7% 0.06 150.9) |
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 #577B5F | 4.76:1 | AA | Lc -78.5 | Fine for body text |
| Black text on #577B5F | 4.40:1 | AA large text | Lc 31.0 | Non-text elements, placeholder text |
| #577B5F text on white | 4.76:1 | AA | Lc 73.1 | Content text, not long reading |
| #577B5F text on black | 4.40:1 | AA large text | Lc -28.6 | 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
#E6EBE7
oklch(93.5% 0.008 151.9)
-
Step 200
200
#D2DCD4
oklch(88.5% 0.015 151.7)
-
Step 300
300
#B5C6B8
oklch(81% 0.027 150.7)
-
Step 400
400
#8EA993
oklch(70.8% 0.044 150.5)
-
Step 500
500
#729379
oklch(63.1% 0.054 151)
-
Step 600
600 (this color)
#577B5F
oklch(54.7% 0.06 150.9)
-
Step 700
700
#496A51
oklch(49.1% 0.055 151.5)
-
Step 800
800
#3C5642
oklch(42.6% 0.046 151.2)
-
Step 900
900
#344738
oklch(37.7% 0.035 150.9)
-
Step 950
950
#1E2A21
oklch(27.1% 0.023 152.3)
#577B5F 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) | #7B755D | 0.051 |
| Deuteranopia (no green cones) | #757161 | 0.050 |
| Tritanopia (no blue cones) | #527A73 | 0.031 |
| Achromatopsia (no color) | #737373 | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #577B5F
#577B5F
oklch(54.7% 0.06 150.9)
- #856481
#856481
oklch(54.7% 0.06 330.5)
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 #577B5F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.037
- Military Green #667C3E ΔE 0.046
- Muddy Green #657432 ΔE 0.054
- Dark Moss Green #606C38 ΔE 0.056
- Slate Green #658D6D ΔE 0.058
- Grey Brown #7F7053 ΔE 0.060
- Swamp #698339 ΔE 0.063
- Sea Green #2E8B57 ΔE 0.063
Use #577B5F 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.