#559B73
Closest named color: Ocean Green (#3D9973). oklch(63.2% 0.094 157.2), rgb(85, 155, 115).
Aa
Black text reads best on this color (6.32:1).
About this color
#559B73 is a medium-light, moderately saturated green. In OKLCH its lightness is 63%, its chroma 0.094 and its hue 157°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Ocean Green (#3D9973), ΔE 0.021 away. Black text reads best on it, at 6.32:1.
| Hue family | Greens |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.094) |
| Temperature | in between |
| Nearest name | Ocean Green (#3D9973) |
| Black text | 6.32:1 |
| White text | 3.32:1 |
Values
| HEX | #559B73 |
| RGB | rgb(85, 155, 115) |
| HSL | hsl(146, 29%, 47%) |
| OKLCH | oklch(63.2% 0.094 157.2) |
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 #559B73 | 3.32:1 | AA large text | Lc -65.9 | Content text, not long reading |
| Black text on #559B73 | 6.32:1 | AA | Lc 43.6 | Non-text elements, placeholder text |
| #559B73 text on white | 3.32:1 | AA large text | Lc 60.5 | Content text, not long reading |
| #559B73 text on black | 6.32:1 | AA | Lc -41.2 | 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
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E3EDE6
oklch(93.7% 0.014 155.6)
-
Step 200
200
#CCDFD2
oklch(88.6% 0.027 155.9)
-
Step 300
300
#A9CAB5
oklch(80.9% 0.046 157.3)
-
Step 400
400
#7AAF8F
oklch(70.8% 0.073 157.4)
-
Step 500
500 (this color)
#559B73
oklch(63.2% 0.094 157.2)
-
Step 600
600
#36855B
oklch(55.6% 0.102 157.3)
-
Step 700
700
#28714B
oklch(49.2% 0.095 157.2)
-
Step 800
800
#235C3D
oklch(42.8% 0.079 156.7)
-
Step 900
900
#224B34
oklch(37.6% 0.061 157.1)
-
Step 950
950
#152C1F
oklch(27% 0.038 157.7)
#559B73 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) | #9A9171 | 0.087 |
| Deuteranopia (no green cones) | #8F8A75 | 0.084 |
| Tritanopia (no blue cones) | #449A90 | 0.044 |
| Achromatopsia (no color) | #8D8D8D | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #559B73
#559B73
oklch(63.2% 0.094 157.2)
- #AE739E
#AE739E
oklch(63.1% 0.094 337.2)
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 #559B73, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean Green #3D9973 ΔE 0.021
- Grey Teal #5E9B8A ΔE 0.036
- Slate Green #658D6D ΔE 0.041
- Green Grey #77926F ΔE 0.042
- Dull Teal #5F9E8F ΔE 0.042
- Moss #769958 ΔE 0.044
- Persian Green #2A9D8F ΔE 0.044
- Jade #1FA774 ΔE 0.044
Use #559B73 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.