#577F31
Closest named color: Olive Green (#677A04). oklch(54.9% 0.117 132), rgb(87, 127, 49).
Aa
White text reads best on this color (4.68:1).
About this color
#577F31 is a medium-dark, moderately saturated green. In OKLCH its lightness is 55%, its chroma 0.117 and its hue 132°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Olive Green (#677A04), ΔE 0.028 away. White text reads best on it, at 4.68:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.117) |
| Temperature | in between |
| Nearest name | Olive Green (#677A04) |
| Black text | 4.48:1 |
| White text | 4.68:1 |
Values
| HEX | #577F31 |
| RGB | rgb(87, 127, 49) |
| HSL | hsl(91, 44%, 35%) |
| OKLCH | oklch(54.9% 0.117 132) |
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 #577F31 | 4.68:1 | AA | Lc -77.8 | Fine for body text |
| Black text on #577F31 | 4.48:1 | AA large text | Lc 31.7 | Non-text elements, placeholder text |
| #577F31 text on white | 4.68:1 | AA | Lc 72.4 | Content text, not long reading |
| #577F31 text on black | 4.48:1 | 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
#F4F6F2
oklch(97.1% 0.006 128.5)
-
Step 100
100
#E6ECE2
oklch(93.6% 0.015 132.5)
-
Step 200
200
#D2DECA
oklch(88.6% 0.03 132.6)
-
Step 300
300
#B4C8A5
oklch(80.8% 0.053 131.9)
-
Step 400
400
#8DAC75
oklch(70.7% 0.084 132.1)
-
Step 500
500
#719750
oklch(63.1% 0.108 131.9)
-
Step 600
600 (this color)
#577F31
oklch(54.9% 0.117 132)
-
Step 700
700
#496D25
oklch(49.1% 0.109 131.8)
-
Step 800
800
#3C5921
oklch(42.7% 0.09 132.1)
-
Step 900
900
#334920
oklch(37.6% 0.07 132.2)
-
Step 950
950
#1E2B13
oklch(27% 0.045 132)
#577F31 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) | #847629 | 0.065 |
| Deuteranopia (no green cones) | #7F7337 | 0.067 |
| Tritanopia (no blue cones) | #587A6E | 0.087 |
| Achromatopsia (no color) | #747474 | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #577F31
#577F31
oklch(54.9% 0.117 132)
- #885CA2
#885CA2
oklch(55% 0.116 312)
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 #577F31, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Green #677A04 ΔE 0.028
- Military Green #667C3E ΔE 0.029
- Swamp #698339 ΔE 0.029
- Murky Green #6C7A0E ΔE 0.031
- Muddy Green #657432 ΔE 0.037
- Fern Green #548D44 ΔE 0.040
- Moss Green #658B38 ΔE 0.041
- Mossy Green #638B27 ΔE 0.042
Use #577F31 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.