#577B42
Closest named color: Military Green (#667C3E). oklch(54.1% 0.093 134.9), rgb(87, 123, 66).
Aa
White text reads best on this color (4.86:1).
About this color
#577B42 is a medium-dark, moderately saturated green. In OKLCH its lightness is 54%, its chroma 0.093 and its hue 135°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Military Green (#667C3E), ΔE 0.020 away. White text reads best on it, at 4.86:1.
| Hue family | Greens |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.093) |
| Temperature | in between |
| Nearest name | Military Green (#667C3E) |
| Black text | 4.31:1 |
| White text | 4.86:1 |
Values
| HEX | #577B42 |
| RGB | rgb(87, 123, 66) |
| HSL | hsl(98, 30%, 37%) |
| OKLCH | oklch(54.1% 0.093 134.9) |
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 #577B42 | 4.86:1 | AA | Lc -79.1 | Fine for body text |
| Black text on #577B42 | 4.31:1 | AA large text | Lc 30.4 | Non-text elements, placeholder text |
| #577B42 text on white | 4.86:1 | AA | Lc 73.6 | Content text, not long reading |
| #577B42 text on black | 4.31:1 | AA large text | Lc -28.1 | 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
#E6ECE4
oklch(93.6% 0.012 137.8)
-
Step 200
200
#D3DDCE
oklch(88.6% 0.023 135)
-
Step 300
300
#B5C7AC
oklch(80.9% 0.042 135.1)
-
Step 400
400
#8FAA80
oklch(70.6% 0.067 134.6)
-
Step 500
500
#739560
oklch(63% 0.085 134.8)
-
Step 600
600 (this color)
#577B42
oklch(54.1% 0.093 134.9)
-
Step 700
700
#4B6C38
oklch(49.2% 0.087 135)
-
Step 800
800
#3E582E
oklch(42.8% 0.072 134.5)
-
Step 900
900
#35482A
oklch(37.7% 0.054 134.7)
-
Step 950
950
#1F2A19
oklch(26.9% 0.034 134.9)
#577B42 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) | #7F733D | 0.058 |
| Deuteranopia (no green cones) | #7A7045 | 0.059 |
| Tritanopia (no blue cones) | #57776D | 0.067 |
| Achromatopsia (no color) | #717171 | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #577B42
#577B42
oklch(54.1% 0.093 134.9)
- #835E94
#835E94
oklch(54.1% 0.092 314.8)
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 #577B42, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Military Green #667C3E ΔE 0.020
- Muddy Green #657432 ΔE 0.026
- Dark Sage #598556 ΔE 0.034
- Swamp #698339 ΔE 0.037
- Dark Moss Green #606C38 ΔE 0.043
- Murky Green #6C7A0E ΔE 0.044
- Olive Green #677A04 ΔE 0.045
- Dark Olive Green #556B2F ΔE 0.048
Use #577B42 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.