#577A4D
Closest named color: Military Green (#667C3E). oklch(54.1% 0.079 138.9), rgb(87, 122, 77).
Aa
White text reads best on this color (4.88:1).
About this color
#577A4D is a medium-dark, moderately saturated green. In OKLCH its lightness is 54%, its chroma 0.079 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 0.027 away. White text reads best on it, at 4.88:1.
| Hue family | Greens |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.079) |
| Temperature | in between |
| Nearest name | Military Green (#667C3E) |
| Black text | 4.29:1 |
| White text | 4.88:1 |
Values
| HEX | #577A4D |
| RGB | rgb(87, 122, 77) |
| HSL | hsl(107, 23%, 39%) |
| OKLCH | oklch(54.1% 0.079 138.9) |
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 #577A4D | 4.88:1 | AA | Lc -79.2 | Fine for body text |
| Black text on #577A4D | 4.29:1 | AA large text | Lc 30.3 | Non-text elements, placeholder text |
| #577A4D text on white | 4.88:1 | AA | Lc 73.8 | Content text, not long reading |
| #577A4D 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
#F4F6F3
oklch(97.1% 0.004 134.8)
-
Step 100
100
#E6ECE5
oklch(93.7% 0.011 141.3)
-
Step 200
200
#D3DCD0
oklch(88.4% 0.019 137.8)
-
Step 300
300
#B5C7B1
oklch(81% 0.036 140)
-
Step 400
400
#8FAA88
oklch(70.8% 0.057 139.3)
-
Step 500
500
#73946A
oklch(63% 0.072 139)
-
Step 600
600 (this color)
#577A4D
oklch(54.1% 0.079 138.9)
-
Step 700
700
#4B6B42
oklch(49.2% 0.073 138.9)
-
Step 800
800
#3E5736
oklch(42.7% 0.061 138.3)
-
Step 900
900
#35482F
oklch(37.8% 0.048 138.3)
-
Step 950
950
#1F2A1C
oklch(27% 0.03 139)
#577A4D 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) | #7D734A | 0.055 |
| Deuteranopia (no green cones) | #77704F | 0.053 |
| Tritanopia (no blue cones) | #55776F | 0.054 |
| Achromatopsia (no color) | #717171 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #577A4D
#577A4D
oklch(54.1% 0.079 138.9)
- #83608C
#83608C
oklch(54.1% 0.079 319.3)
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 #577A4D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Military Green #667C3E ΔE 0.027
- Muddy Green #657432 ΔE 0.032
- Dark Sage #598556 ΔE 0.032
- Dark Moss Green #606C38 ΔE 0.041
- Swamp #698339 ΔE 0.047
- Dark Olive Green #556B2F ΔE 0.050
- Sea Green #2E8B57 ΔE 0.056
- Murky Green #6C7A0E ΔE 0.058
Use #577A4D 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.