#559240
Closest named color: Fern Green (#548D44). oklch(59.9% 0.132 138.4), rgb(85, 146, 64).
Aa
Black text reads best on this color (5.57:1).
About this color
#559240 is a medium-dark, moderately saturated green. In OKLCH its lightness is 60%, its chroma 0.132 and its hue 138°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Fern Green (#548D44), ΔE 0.017 away. Black text reads best on it, at 5.57:1.
| Hue family | Greens |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.132) |
| Temperature | in between |
| Nearest name | Fern Green (#548D44) |
| Black text | 5.57:1 |
| White text | 3.76:1 |
Values
| HEX | #559240 |
| RGB | rgb(85, 146, 64) |
| HSL | hsl(105, 39%, 41%) |
| OKLCH | oklch(59.9% 0.132 138.4) |
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 #559240 | 3.76:1 | AA large text | Lc -70.6 | Content text, not long reading |
| Black text on #559240 | 5.57:1 | AA | Lc 39.0 | Non-text elements, placeholder text |
| #559240 text on white | 3.76:1 | AA large text | Lc 65.1 | Content text, not long reading |
| #559240 text on black | 5.57:1 | AA | Lc -36.6 | 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 500.
-
Step 50
50
#F3F7F1
oklch(97.1% 0.009 134.9)
-
Step 100
100
#E4EDE1
oklch(93.6% 0.019 137.8)
-
Step 200
200
#CEDFC9
oklch(88.5% 0.035 138.6)
-
Step 300
300
#ACCBA3
oklch(80.9% 0.064 138.7)
-
Step 400
400
#80B071
oklch(70.7% 0.102 138.4)
-
Step 500
500 (this color)
#559240
oklch(59.9% 0.132 138.4)
-
Step 600
600
#43862A
oklch(55.6% 0.143 138.4)
-
Step 700
700
#35711C
oklch(49% 0.133 138.2)
-
Step 800
800
#2C5C1A
oklch(42.6% 0.11 138.4)
-
Step 900
900
#284C1C
oklch(37.7% 0.086 138.6)
-
Step 950
950
#182D11
oklch(27.1% 0.056 138.4)
#559240 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) | #968738 | 0.087 |
| Deuteranopia (no green cones) | #8E8146 | 0.089 |
| Tritanopia (no blue cones) | #518D80 | 0.092 |
| Achromatopsia (no color) | #838383 | 0.132 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #559240
#559240
oklch(59.9% 0.132 138.4)
- #A164B2
#A164B2
oklch(59.9% 0.132 318.7)
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 #559240, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Fern Green #548D44 ΔE 0.017
- Light Forest Green #4F9153 ΔE 0.023
- Moss Green #658B38 ΔE 0.024
- Mossy Green #638B27 ΔE 0.025
- Olive Drab #6B8E23 ΔE 0.029
- Sap Green #5C8B15 ΔE 0.032
- Dark Yellow Green #728F02 ΔE 0.041
- Flat Green #699D4C ΔE 0.042
Use #559240 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.