#559840
Closest named color: Flat Green (#699D4C). oklch(61.5% 0.14 138.8), rgb(85, 152, 64).
Aa
Black text reads best on this color (5.95:1).
About this color
#559840 is a medium-dark, vivid green. In OKLCH its lightness is 61%, its chroma 0.140 and its hue 139°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Flat Green (#699D4C), ΔE 0.031 away. Black text reads best on it, at 5.95:1.
| Hue family | Greens |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.140) |
| Temperature | in between |
| Nearest name | Flat Green (#699D4C) |
| Black text | 5.95:1 |
| White text | 3.52:1 |
Values
| HEX | #559840 |
| RGB | rgb(85, 152, 64) |
| HSL | hsl(106, 41%, 42%) |
| OKLCH | oklch(61.5% 0.14 138.8) |
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 #559840 | 3.52:1 | AA large text | Lc -68.1 | Content text, not long reading |
| Black text on #559840 | 5.95:1 | AA | Lc 41.4 | Non-text elements, placeholder text |
| #559840 text on white | 3.52:1 | AA large text | Lc 62.7 | Content text, not long reading |
| #559840 text on black | 5.95:1 | AA | Lc -39.0 | 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
#F2F7F1
oklch(97.1% 0.01 140.5)
-
Step 100
100
#E3EDE1
oklch(93.5% 0.019 140.5)
-
Step 200
200
#CDE0C8
oklch(88.6% 0.038 139.2)
-
Step 300
300
#ABCCA1
oklch(81% 0.069 138.5)
-
Step 400
400
#7DB16E
oklch(70.7% 0.109 138.8)
-
Step 500
500 (this color)
#559840
oklch(61.5% 0.14 138.8)
-
Step 600
600
#3D8723
oklch(55.5% 0.153 138.9)
-
Step 700
700
#2F7214
oklch(49% 0.142 138.7)
-
Step 800
800
#285D15
oklch(42.6% 0.117 138.8)
-
Step 900
900
#264D19
oklch(37.8% 0.092 138.7)
-
Step 950
950
#172D10
oklch(27% 0.058 138.6)
#559840 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) | #9C8C37 | 0.093 |
| Deuteranopia (no green cones) | #938646 | 0.094 |
| Tritanopia (no blue cones) | #509385 | 0.097 |
| Achromatopsia (no color) | #888888 | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #559840
#559840
oklch(61.5% 0.14 138.8)
- #A866BA
#A866BA
oklch(61.5% 0.141 318.8)
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 #559840, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Flat Green #699D4C ΔE 0.031
- Muted Green #5FA052 ΔE 0.031
- Olive Drab #6B8E23 ΔE 0.034
- Fern Green #548D44 ΔE 0.035
- Light Forest Green #4F9153 ΔE 0.035
- Mossy Green #638B27 ΔE 0.037
- Moss Green #658B38 ΔE 0.038
- Sap Green #5C8B15 ΔE 0.041
Use #559840 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.