#559A6E
Closest named color: Ocean Green (#3D9973). oklch(62.8% 0.097 154.5), rgb(85, 154, 110).
Aa
Black text reads best on this color (6.23:1).
About this color
#559A6E is a medium-light, moderately saturated green. In OKLCH its lightness is 63%, its chroma 0.097 and its hue 155°. 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 6.23:1.
| Hue family | Greens |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.097) |
| Temperature | in between |
| Nearest name | Ocean Green (#3D9973) |
| Black text | 6.23:1 |
| White text | 3.36:1 |
Values
| HEX | #559A6E |
| RGB | rgb(85, 154, 110) |
| HSL | hsl(142, 29%, 47%) |
| OKLCH | oklch(62.8% 0.097 154.5) |
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 #559A6E | 3.36:1 | AA large text | Lc -66.5 | Content text, not long reading |
| Black text on #559A6E | 6.23:1 | AA | Lc 43.1 | Non-text elements, placeholder text |
| #559A6E text on white | 3.36:1 | AA large text | Lc 61.0 | Content text, not long reading |
| #559A6E text on black | 6.23:1 | AA | Lc -40.7 | 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
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E3EDE6
oklch(93.7% 0.014 155.6)
-
Step 200
200
#CCDFD1
oklch(88.6% 0.028 153.8)
-
Step 300
300
#A9CAB3
oklch(80.8% 0.048 154.8)
-
Step 400
400
#7AAF8B
oklch(70.7% 0.077 154.3)
-
Step 500
500 (this color)
#559A6E
oklch(62.8% 0.097 154.5)
-
Step 600
600
#388557
oklch(55.6% 0.105 154.6)
-
Step 700
700
#297147
oklch(49.2% 0.099 154.6)
-
Step 800
800
#245C3A
oklch(42.7% 0.082 154.2)
-
Step 900
900
#234B32
oklch(37.6% 0.063 154.5)
-
Step 950
950
#152C1E
oklch(26.9% 0.039 155.9)
#559A6E 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) | #9A906B | 0.088 |
| Deuteranopia (no green cones) | #8F8971 | 0.085 |
| Tritanopia (no blue cones) | #46998E | 0.048 |
| Achromatopsia (no color) | #8C8C8C | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #559A6E
#559A6E
oklch(62.8% 0.097 154.5)
- #AD72A0
#AD72A0
oklch(62.9% 0.097 335)
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 #559A6E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean Green #3D9973 ΔE 0.021
- Light Forest Green #4F9153 ΔE 0.040
- Slate Green #658D6D ΔE 0.040
- Moss #769958 ΔE 0.041
- Drab Green #749551 ΔE 0.042
- Grey Teal #5E9B8A ΔE 0.043
- Green Grey #77926F ΔE 0.043
- Jade #1FA774 ΔE 0.044
Use #559A6E 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.