#559F2B
Closest named color: Mid Green (#50A747). oklch(63.1% 0.166 136.6), rgb(85, 159, 43).
Aa
Black text reads best on this color (6.38:1).
About this color
#559F2B is a medium-light, vivid green. In OKLCH its lightness is 63%, its chroma 0.166 and its hue 137°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Mid Green (#50A747), ΔE 0.027 away. Black text reads best on it, at 6.38:1.
| Hue family | Greens |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.166) |
| Temperature | in between |
| Nearest name | Mid Green (#50A747) |
| Black text | 6.38:1 |
| White text | 3.29:1 |
Values
| HEX | #559F2B |
| RGB | rgb(85, 159, 43) |
| HSL | hsl(98, 57%, 40%) |
| OKLCH | oklch(63.1% 0.166 136.6) |
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 #559F2B | 3.29:1 | AA large text | Lc -65.4 | Content text, not long reading |
| Black text on #559F2B | 6.38:1 | AA | Lc 44.1 | Non-text elements, placeholder text |
| #559F2B text on white | 3.29:1 | AA large text | Lc 60.0 | Large or bold text, headings |
| #559F2B text on black | 6.38:1 | AA | Lc -41.7 | 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 500.
-
Step 50
50
#F2F7F0
oklch(97% 0.011 136.6)
-
Step 100
100
#E3EEDE
oklch(93.6% 0.024 135.7)
-
Step 200
200
#CCE1C3
oklch(88.6% 0.046 136.2)
-
Step 300
300
#A9CD99
oklch(80.9% 0.081 136.2)
-
Step 400
400
#79B35F
oklch(70.7% 0.13 136.7)
-
Step 500
500 (this color)
#559F2B
oklch(63.1% 0.166 136.6)
-
Step 600
600
#3E8800
oklch(55.7% 0.167 136.5)
-
Step 700
700
#337200
oklch(49.1% 0.147 136.5)
-
Step 800
800
#285E00
oklch(42.8% 0.129 136.7)
-
Step 900
900
#234E06
oklch(37.8% 0.108 136.5)
-
Step 950
950
#152E08
oklch(27.1% 0.069 136.8)
#559F2B 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) | #A59217 | 0.103 |
| Deuteranopia (no green cones) | #9B8B36 | 0.105 |
| Tritanopia (no blue cones) | #519988 | 0.118 |
| Achromatopsia (no color) | #8E8E8E | 0.167 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #559F2B
#559F2B
oklch(63.1% 0.166 136.6)
- #B065CB
#B065CB
oklch(63.1% 0.165 316.5)
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 #559F2B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Green #50A747 ΔE 0.027
- Grassy Green #419C03 ΔE 0.028
- Grass Green #3F9B0B ΔE 0.030
- Leaf Green #5CA904 ΔE 0.037
- Grass #5CAC2D ΔE 0.039
- Muted Green #5FA052 ΔE 0.040
- Medium Green #39AD48 ΔE 0.040
- Flat Green #699D4C ΔE 0.042
Use #559F2B 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.