#559D71
Closest named color: Ocean Green (#3D9973). oklch(63.7% 0.099 155.5), rgb(85, 157, 113).
Aa
Black text reads best on this color (6.44:1).
About this color
#559D71 is a medium-light, moderately saturated green. In OKLCH its lightness is 64%, its chroma 0.099 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 0.025 away. Black text reads best on it, at 6.44:1.
| Hue family | Greens |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.099) |
| Temperature | in between |
| Nearest name | Ocean Green (#3D9973) |
| Black text | 6.44:1 |
| White text | 3.25:1 |
Values
| HEX | #559D71 |
| RGB | rgb(85, 157, 113) |
| HSL | hsl(143, 30%, 47%) |
| OKLCH | oklch(63.7% 0.099 155.5) |
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 #559D71 | 3.25:1 | AA large text | Lc -65.2 | Content text, not long reading |
| Black text on #559D71 | 6.44:1 | AA | Lc 44.3 | Non-text elements, placeholder text |
| #559D71 text on white | 3.25:1 | AA large text | Lc 59.7 | Large or bold text, headings |
| #559D71 text on black | 6.44:1 | AA | Lc -42.0 | 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
#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
#A9CAB3
oklch(80.8% 0.048 154.8)
-
Step 400
400
#79AF8C
oklch(70.6% 0.077 155.5)
-
Step 500
500 (this color)
#559D71
oklch(63.7% 0.099 155.5)
-
Step 600
600
#348657
oklch(55.7% 0.109 155.2)
-
Step 700
700
#267147
oklch(49.1% 0.1 155.2)
-
Step 800
800
#215C3B
oklch(42.6% 0.083 155.7)
-
Step 900
900
#214C32
oklch(37.8% 0.066 155)
-
Step 950
950
#152C1E
oklch(26.9% 0.039 155.9)
#559D71 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) | #9D936E | 0.090 |
| Deuteranopia (no green cones) | #928B74 | 0.089 |
| Tritanopia (no blue cones) | #459C91 | 0.048 |
| Achromatopsia (no color) | #8E8E8E | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #559D71
#559D71
oklch(63.7% 0.099 155.5)
- #B174A3
#B174A3
oklch(63.8% 0.099 335.4)
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 #559D71, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean Green #3D9973 ΔE 0.025
- Jade #1FA774 ΔE 0.039
- Moss #769958 ΔE 0.041
- Grey Teal #5E9B8A ΔE 0.041
- Muted Green #5FA052 ΔE 0.043
- Drab Green #749551 ΔE 0.045
- Tea #65AB7C ΔE 0.045
- Dull Teal #5F9E8F ΔE 0.046
Use #559D71 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.