#577E4B
Closest named color: Military Green (#667C3E). oklch(55% 0.088 138.6), rgb(87, 126, 75).
Aa
White text reads best on this color (4.67:1).
About this color
#577E4B is a medium-dark, moderately saturated green. In OKLCH its lightness is 55%, its chroma 0.088 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 0.021 away. White text reads best on it, at 4.67:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.088) |
| Temperature | in between |
| Nearest name | Military Green (#667C3E) |
| Black text | 4.49:1 |
| White text | 4.67:1 |
Values
| HEX | #577E4B |
| RGB | rgb(87, 126, 75) |
| HSL | hsl(106, 25%, 39%) |
| OKLCH | oklch(55% 0.088 138.6) |
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 #577E4B | 4.67:1 | AA | Lc -77.8 | Fine for body text |
| Black text on #577E4B | 4.49:1 | AA large text | Lc 31.7 | Non-text elements, placeholder text |
| #577E4B text on white | 4.67:1 | AA | Lc 72.4 | Content text, not long reading |
| #577E4B text on black | 4.49:1 | AA large text | Lc -29.3 | 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
#D2DDCF
oklch(88.5% 0.022 139)
-
Step 300
300
#B4C7AF
oklch(80.9% 0.039 139.2)
-
Step 400
400
#8DAA84
oklch(70.6% 0.063 138.3)
-
Step 500
500
#719566
oklch(63% 0.079 138.5)
-
Step 600
600 (this color)
#577E4B
oklch(55% 0.088 138.6)
-
Step 700
700
#486C3D
oklch(49.1% 0.083 138.6)
-
Step 800
800
#3C5833
oklch(42.8% 0.068 138.3)
-
Step 900
900
#33482D
oklch(37.6% 0.052 138.9)
-
Step 950
950
#1E2A1A
oklch(26.9% 0.033 138)
#577E4B 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) | #817647 | 0.060 |
| Deuteranopia (no green cones) | #7B734E | 0.059 |
| Tritanopia (no blue cones) | #557B71 | 0.059 |
| Achromatopsia (no color) | #747474 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #577E4B
#577E4B
oklch(55% 0.088 138.6)
- #886193
#886193
oklch(55.2% 0.088 318.7)
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 #577E4B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Military Green #667C3E ΔE 0.021
- Dark Sage #598556 ΔE 0.022
- Muddy Green #657432 ΔE 0.035
- Swamp #698339 ΔE 0.036
- Sea Green #2E8B57 ΔE 0.046
- Fern Green #548D44 ΔE 0.049
- Khaki Green #728639 ΔE 0.049
- Dark Moss Green #606C38 ΔE 0.051
Use #577E4B 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.