#558339
Closest named color: Swamp (#698339). oklch(55.9% 0.116 135.1), rgb(85, 131, 57).
Aa
Black text reads best on this color (4.69:1).
About this color
#558339 is a medium-dark, moderately saturated green. In OKLCH its lightness is 56%, its chroma 0.116 and its hue 135°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Swamp (#698339), ΔE 0.025 away. Black text reads best on it, at 4.69:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.116) |
| Temperature | in between |
| Nearest name | Swamp (#698339) |
| Black text | 4.69:1 |
| White text | 4.47:1 |
Values
| HEX | #558339 |
| RGB | rgb(85, 131, 57) |
| HSL | hsl(97, 39%, 37%) |
| OKLCH | oklch(55.9% 0.116 135.1) |
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 #558339 | 4.47:1 | AA large text | Lc -76.4 | Fine for body text |
| Black text on #558339 | 4.69:1 | AA | Lc 33.1 | Non-text elements, placeholder text |
| #558339 text on white | 4.47:1 | AA large text | Lc 70.9 | Content text, not long reading |
| #558339 text on black | 4.69:1 | AA | Lc -30.7 | 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
#F3F7F2
oklch(97.2% 0.008 139.4)
-
Step 100
100
#E6ECE2
oklch(93.6% 0.015 132.5)
-
Step 200
200
#D1DECB
oklch(88.6% 0.029 135.6)
-
Step 300
300
#B2C9A7
oklch(80.9% 0.053 135.5)
-
Step 400
400
#8AAD78
oklch(70.8% 0.084 135.3)
-
Step 500
500
#6D9854
oklch(63.2% 0.107 134.9)
-
Step 600
600 (this color)
#558339
oklch(55.9% 0.116 135.1)
-
Step 700
700
#446E2A
oklch(49.1% 0.109 135.2)
-
Step 800
800
#385A24
oklch(42.8% 0.091 135.4)
-
Step 900
900
#314A22
oklch(37.8% 0.071 134.9)
-
Step 950
950
#1D2B15
oklch(27% 0.043 134.9)
#558339 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) | #887A32 | 0.072 |
| Deuteranopia (no green cones) | #81763E | 0.071 |
| Tritanopia (no blue cones) | #547E72 | 0.084 |
| Achromatopsia (no color) | #777777 | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #558339
#558339
oklch(55.9% 0.116 135.1)
- #8E5EA3
#8E5EA3
oklch(56% 0.116 315)
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 #558339, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Swamp #698339 ΔE 0.025
- Fern Green #548D44 ΔE 0.029
- Military Green #667C3E ΔE 0.031
- Moss Green #658B38 ΔE 0.033
- Dark Sage #598556 ΔE 0.036
- Mossy Green #638B27 ΔE 0.036
- Olive Green #677A04 ΔE 0.037
- Murky Green #6C7A0E ΔE 0.038
Use #558339 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.