#549B66
Closest named color: Ocean Green (#3D9973). oklch(62.9% 0.108 150.5), rgb(84, 155, 102).
Aa
Black text reads best on this color (6.25:1).
About this color
#549B66 is a medium-light, moderately saturated green. In OKLCH its lightness is 63%, its chroma 0.108 and its hue 151°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Ocean Green (#3D9973), ΔE 0.026 away. Black text reads best on it, at 6.25:1.
| Hue family | Greens |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.108) |
| Temperature | in between |
| Nearest name | Ocean Green (#3D9973) |
| Black text | 6.25:1 |
| White text | 3.35:1 |
Values
| HEX | #549B66 |
| RGB | rgb(84, 155, 102) |
| HSL | hsl(135, 30%, 47%) |
| OKLCH | oklch(62.9% 0.108 150.5) |
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 #549B66 | 3.35:1 | AA large text | Lc -66.3 | Content text, not long reading |
| Black text on #549B66 | 6.25:1 | AA | Lc 43.2 | Non-text elements, placeholder text |
| #549B66 text on white | 3.35:1 | AA large text | Lc 60.8 | Content text, not long reading |
| #549B66 text on black | 6.25:1 | AA | Lc -40.9 | 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
#E3EDE5
oklch(93.6% 0.015 151.8)
-
Step 200
200
#CCDFCF
oklch(88.5% 0.03 150.1)
-
Step 300
300
#A9CBAF
oklch(80.9% 0.053 150.2)
-
Step 400
400
#7AB085
oklch(70.8% 0.085 150.1)
-
Step 500
500 (this color)
#549B66
oklch(62.9% 0.108 150.5)
-
Step 600
600
#36864E
oklch(55.6% 0.117 150.7)
-
Step 700
700
#28723F
oklch(49.3% 0.109 150.6)
-
Step 800
800
#235C34
oklch(42.6% 0.089 150.7)
-
Step 900
900
#224C2D
oklch(37.7% 0.071 150.3)
-
Step 950
950
#152D1B
oklch(27.2% 0.045 150.5)
#549B66 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) | #9C9163 | 0.091 |
| Deuteranopia (no green cones) | #918969 | 0.089 |
| Tritanopia (no blue cones) | #47998D | 0.058 |
| Achromatopsia (no color) | #8C8C8C | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #549B66
#549B66
oklch(62.9% 0.108 150.5)
- #AE70A7
#AE70A7
oklch(62.9% 0.108 330.8)
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 #549B66, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean Green #3D9973 ΔE 0.026
- Muted Green #5FA052 ΔE 0.034
- Light Forest Green #4F9153 ΔE 0.034
- Moss #769958 ΔE 0.037
- Flat Green #699D4C ΔE 0.037
- Drab Green #749551 ΔE 0.038
- Jade #1FA774 ΔE 0.041
- Off Green #6BA353 ΔE 0.044
Use #549B66 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.