#578337
Closest named color: Swamp (#698339). oklch(56% 0.117 133.9), rgb(87, 131, 55).
Aa
Black text reads best on this color (4.70:1).
About this color
#578337 is a medium-dark, moderately saturated green. In OKLCH its lightness is 56%, its chroma 0.117 and its hue 134°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Swamp (#698339), ΔE 0.023 away. Black text reads best on it, at 4.70:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.117) |
| Temperature | in between |
| Nearest name | Swamp (#698339) |
| Black text | 4.70:1 |
| White text | 4.46:1 |
Values
| HEX | #578337 |
| RGB | rgb(87, 131, 55) |
| HSL | hsl(95, 41%, 36%) |
| OKLCH | oklch(56% 0.117 133.9) |
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 #578337 | 4.46:1 | AA large text | Lc -76.3 | Fine for body text |
| Black text on #578337 | 4.70:1 | AA | Lc 33.3 | Non-text elements, placeholder text |
| #578337 text on white | 4.46:1 | AA large text | Lc 70.8 | Content text, not long reading |
| #578337 text on black | 4.70:1 | AA | Lc -30.8 | Non-text elements, placeholder text |
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
#F3F6F2
oklch(97% 0.006 137.8)
-
Step 100
100
#E6ECE2
oklch(93.6% 0.015 132.5)
-
Step 200
200
#D1DECA
oklch(88.5% 0.03 134.4)
-
Step 300
300
#B3C9A6
oklch(81% 0.054 133.9)
-
Step 400
400
#8BAC76
oklch(70.6% 0.084 133.7)
-
Step 500
500
#6E9852
oklch(63.2% 0.109 133.9)
-
Step 600
600 (this color)
#578337
oklch(56% 0.117 133.9)
-
Step 700
700
#466E28
oklch(49.2% 0.109 133.9)
-
Step 800
800
#3A5923
oklch(42.6% 0.089 133.7)
-
Step 900
900
#324A21
oklch(37.8% 0.071 133.7)
-
Step 950
950
#1D2B14
oklch(26.9% 0.044 134.1)
#578337 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) | #887A2F | 0.069 |
| Deuteranopia (no green cones) | #82763C | 0.070 |
| Tritanopia (no blue cones) | #577E72 | 0.086 |
| Achromatopsia (no color) | #777777 | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #578337
#578337
oklch(56% 0.117 133.9)
- #8D5EA4
#8D5EA4
oklch(56% 0.117 313.9)
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 #578337, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Swamp #698339 ΔE 0.023
- Fern Green #548D44 ΔE 0.029
- Military Green #667C3E ΔE 0.031
- Moss Green #658B38 ΔE 0.031
- Mossy Green #638B27 ΔE 0.034
- Olive Green #677A04 ΔE 0.035
- Murky Green #6C7A0E ΔE 0.036
- Dark Sage #598556 ΔE 0.037
Use #578337 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.