#577B37
Closest named color: Military Green (#667C3E). oklch(53.9% 0.105 132.1), rgb(87, 123, 55).
Aa
White text reads best on this color (4.89:1).
About this color
#577B37 is a medium-dark, moderately saturated green. In OKLCH its lightness is 54%, its chroma 0.105 and its hue 132°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Military Green (#667C3E), ΔE 0.023 away. White text reads best on it, at 4.89:1.
| Hue family | Greens |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.105) |
| Temperature | in between |
| Nearest name | Military Green (#667C3E) |
| Black text | 4.29:1 |
| White text | 4.89:1 |
Values
| HEX | #577B37 |
| RGB | rgb(87, 123, 55) |
| HSL | hsl(92, 38%, 35%) |
| OKLCH | oklch(53.9% 0.105 132.1) |
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 #577B37 | 4.89:1 | AA | Lc -79.2 | Fine for body text |
| Black text on #577B37 | 4.29:1 | AA large text | Lc 30.3 | Non-text elements, placeholder text |
| #577B37 text on white | 4.89:1 | AA | Lc 73.8 | Content text, not long reading |
| #577B37 text on black | 4.29:1 | AA large text | Lc -27.9 | 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
#F4F6F2
oklch(97.1% 0.006 128.5)
-
Step 100
100
#E6ECE3
oklch(93.6% 0.014 134.9)
-
Step 200
200
#D3DDCB
oklch(88.5% 0.027 130.9)
-
Step 300
300
#B5C8A8
oklch(81% 0.049 132.6)
-
Step 400
400
#8FAB7A
oklch(70.7% 0.075 132.3)
-
Step 500
500
#739657
oklch(63.1% 0.097 132.3)
-
Step 600
600 (this color)
#577B37
oklch(53.9% 0.105 132.1)
-
Step 700
700
#4B6C2E
oklch(49.1% 0.098 132.3)
-
Step 800
800
#3E5827
oklch(42.7% 0.081 132.1)
-
Step 900
900
#354924
oklch(37.8% 0.064 132)
-
Step 950
950
#1F2B16
oklch(27.1% 0.04 132.7)
#577B37 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) | #807331 | 0.060 |
| Deuteranopia (no green cones) | #7B703B | 0.060 |
| Tritanopia (no blue cones) | #58766C | 0.080 |
| Achromatopsia (no color) | #717171 | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #577B37
#577B37
oklch(53.9% 0.105 132.1)
- #835B9A
#835B9A
oklch(53.9% 0.105 312.4)
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 #577B37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Military Green #667C3E ΔE 0.023
- Muddy Green #657432 ΔE 0.025
- Olive Green #677A04 ΔE 0.034
- Murky Green #6C7A0E ΔE 0.035
- Swamp #698339 ΔE 0.035
- Dark Sage #598556 ΔE 0.042
- Dark Moss Green #606C38 ΔE 0.047
- Dark Olive Green #556B2F ΔE 0.048
Use #577B37 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.