#558340
Closest named color: Swamp (#698339). oklch(56% 0.109 136.7), rgb(85, 131, 64).
Aa
Black text reads best on this color (4.70:1).
About this color
#558340 is a medium-dark, moderately saturated green. In OKLCH its lightness is 56%, its chroma 0.109 and its hue 137°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Swamp (#698339), ΔE 0.024 away. Black text reads best on it, at 4.70:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.109) |
| Temperature | in between |
| Nearest name | Swamp (#698339) |
| Black text | 4.70:1 |
| White text | 4.46:1 |
Values
| HEX | #558340 |
| RGB | rgb(85, 131, 64) |
| HSL | hsl(101, 34%, 38%) |
| OKLCH | oklch(56% 0.109 136.7) |
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 #558340 | 4.46:1 | AA large text | Lc -76.3 | Fine for body text |
| Black text on #558340 | 4.70:1 | AA | Lc 33.2 | Non-text elements, placeholder text |
| #558340 text on white | 4.46:1 | AA large text | Lc 70.8 | Content text, not long reading |
| #558340 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
#E6ECE3
oklch(93.6% 0.014 134.9)
-
Step 200
200
#D1DECC
oklch(88.6% 0.028 136.9)
-
Step 300
300
#B2C8A9
oklch(80.8% 0.049 136.6)
-
Step 400
400
#8AAC7C
oklch(70.6% 0.077 136.7)
-
Step 500
500
#6C985A
oklch(63.2% 0.101 137)
-
Step 600
600 (this color)
#558340
oklch(56% 0.109 136.7)
-
Step 700
700
#446E31
oklch(49.2% 0.102 136.9)
-
Step 800
800
#385929
oklch(42.6% 0.084 136.7)
-
Step 900
900
#314A26
oklch(37.9% 0.066 136.7)
-
Step 950
950
#1D2B17
oklch(27% 0.04 136.7)
#558340 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) | #877A3A | 0.070 |
| Deuteranopia (no green cones) | #807644 | 0.069 |
| Tritanopia (no blue cones) | #537F73 | 0.076 |
| Achromatopsia (no color) | #777777 | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #558340
#558340
oklch(56% 0.109 136.7)
- #8E5F9F
#8E5F9F
oklch(56% 0.109 316.7)
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 #558340, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Swamp #698339 ΔE 0.024
- Military Green #667C3E ΔE 0.027
- Dark Sage #598556 ΔE 0.028
- Fern Green #548D44 ΔE 0.029
- Moss Green #658B38 ΔE 0.034
- Sea Green #2E8B57 ΔE 0.038
- Khaki Green #728639 ΔE 0.039
- Light Forest Green #4F9153 ΔE 0.040
Use #558340 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.