#579F66
Closest named color: Muted Green (#5FA052). oklch(64% 0.112 149.1), rgb(87, 159, 102).
Aa
Black text reads best on this color (6.55:1).
About this color
#579F66 is a medium-light, moderately saturated green. In OKLCH its lightness is 64%, its chroma 0.112 and its hue 149°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Muted Green (#5FA052), ΔE 0.026 away. Black text reads best on it, at 6.55:1.
| Hue family | Greens |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.112) |
| Temperature | in between |
| Nearest name | Muted Green (#5FA052) |
| Black text | 6.55:1 |
| White text | 3.20:1 |
Values
| HEX | #579F66 |
| RGB | rgb(87, 159, 102) |
| HSL | hsl(133, 29%, 48%) |
| OKLCH | oklch(64% 0.112 149.1) |
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 #579F66 | 3.20:1 | AA large text | Lc -64.5 | Content text, not long reading |
| Black text on #579F66 | 6.55:1 | AA | Lc 45.0 | Non-text elements, placeholder text |
| #579F66 text on white | 3.20:1 | AA large text | Lc 59.1 | Large or bold text, headings |
| #579F66 text on black | 6.55:1 | AA | Lc -42.7 | 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
#E3EDE4
oklch(93.6% 0.016 148.4)
-
Step 200
200
#CCDFCE
oklch(88.5% 0.031 148.4)
-
Step 300
300
#A9CBAE
oklch(80.9% 0.054 149.2)
-
Step 400
400
#79B083
oklch(70.7% 0.087 149.4)
-
Step 500
500 (this color)
#579F66
oklch(64% 0.112 149.1)
-
Step 600
600
#35864A
oklch(55.5% 0.121 149.3)
-
Step 700
700
#27723B
oklch(49.1% 0.113 149.1)
-
Step 800
800
#225D31
oklch(42.8% 0.094 149.1)
-
Step 900
900
#224C2B
oklch(37.7% 0.073 148.8)
-
Step 950
950
#152D1A
oklch(27.1% 0.046 149.2)
#579F66 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) | #A09462 | 0.093 |
| Deuteranopia (no green cones) | #968D69 | 0.091 |
| Tritanopia (no blue cones) | #4A9D90 | 0.062 |
| Achromatopsia (no color) | #909090 | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #579F66
#579F66
oklch(64% 0.112 149.1)
- #B272AD
#B272AD
oklch(64% 0.113 329.6)
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 #579F66, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muted Green #5FA052 ΔE 0.026
- Flat Green #699D4C ΔE 0.031
- Off Green #6BA353 ΔE 0.034
- Moss #769958 ΔE 0.034
- Ocean Green #3D9973 ΔE 0.036
- Jade #1FA774 ΔE 0.036
- Algae #54AC68 ΔE 0.038
- Drab Green #749551 ΔE 0.039
Use #579F66 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.