#577B4C
Closest named color: Military Green (#667C3E). oklch(54.3% 0.082 138.6), rgb(87, 123, 76).
Aa
White text reads best on this color (4.83:1).
About this color
#577B4C is a medium-dark, moderately saturated green. In OKLCH its lightness is 54%, its chroma 0.082 and its hue 139°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Military Green (#667C3E), ΔE 0.025 away. White text reads best on it, at 4.83:1.
| Hue family | Greens |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.082) |
| Temperature | in between |
| Nearest name | Military Green (#667C3E) |
| Black text | 4.34:1 |
| White text | 4.83:1 |
Values
| HEX | #577B4C |
| RGB | rgb(87, 123, 76) |
| HSL | hsl(106, 24%, 39%) |
| OKLCH | oklch(54.3% 0.082 138.6) |
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 #577B4C | 4.83:1 | AA | Lc -78.9 | Fine for body text |
| Black text on #577B4C | 4.34:1 | AA large text | Lc 30.6 | Non-text elements, placeholder text |
| #577B4C text on white | 4.83:1 | AA | Lc 73.5 | Content text, not long reading |
| #577B4C text on black | 4.34:1 | AA large text | Lc -28.2 | 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
#F4F6F3
oklch(97.1% 0.004 134.8)
-
Step 100
100
#E6ECE5
oklch(93.7% 0.011 141.3)
-
Step 200
200
#D3DDD0
oklch(88.6% 0.021 138.4)
-
Step 300
300
#B5C7B0
oklch(81% 0.037 138.9)
-
Step 400
400
#8FAA86
oklch(70.8% 0.059 137.9)
-
Step 500
500
#739568
oklch(63.2% 0.076 138.2)
-
Step 600
600 (this color)
#577B4C
oklch(54.3% 0.082 138.6)
-
Step 700
700
#4A6B40
oklch(49.1% 0.076 138.6)
-
Step 800
800
#3D5735
oklch(42.6% 0.063 138.5)
-
Step 900
900
#34482E
oklch(37.7% 0.05 138.6)
-
Step 950
950
#1F2A1B
oklch(27% 0.031 137.5)
#577B4C 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) | #7E7449 | 0.056 |
| Deuteranopia (no green cones) | #78704F | 0.056 |
| Tritanopia (no blue cones) | #55786F | 0.055 |
| Achromatopsia (no color) | #727272 | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #577B4C
#577B4C
oklch(54.3% 0.082 138.6)
- #84608E
#84608E
oklch(54.3% 0.082 318.8)
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 #577B4C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Military Green #667C3E ΔE 0.025
- Dark Sage #598556 ΔE 0.030
- Muddy Green #657432 ΔE 0.032
- Swamp #698339 ΔE 0.043
- Dark Moss Green #606C38 ΔE 0.044
- Dark Olive Green #556B2F ΔE 0.052
- Sea Green #2E8B57 ΔE 0.053
- Murky Green #6C7A0E ΔE 0.055
Use #577B4C 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.