#409666
Closest named color: Ocean Green (#3D9973). oklch(60.7% 0.111 156.3), rgb(64, 150, 102).
Aa
Black text reads best on this color (5.77:1).
About this color
#409666 is a medium-dark, moderately saturated green. In OKLCH its lightness is 61%, its chroma 0.111 and its hue 156°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Ocean Green (#3D9973), ΔE 0.017 away. Black text reads best on it, at 5.77:1.
| Hue family | Greens |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.111) |
| Temperature | in between |
| Nearest name | Ocean Green (#3D9973) |
| Black text | 5.77:1 |
| White text | 3.63:1 |
Values
| HEX | #409666 |
| RGB | rgb(64, 150, 102) |
| HSL | hsl(147, 40%, 42%) |
| OKLCH | oklch(60.7% 0.111 156.3) |
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 #409666 | 3.63:1 | AA large text | Lc -69.2 | Content text, not long reading |
| Black text on #409666 | 5.77:1 | AA | Lc 40.3 | Non-text elements, placeholder text |
| #409666 text on white | 3.63:1 | AA large text | Lc 63.7 | Content text, not long reading |
| #409666 text on black | 5.77:1 | AA | Lc -37.9 | 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
#E2EDE5
oklch(93.6% 0.016 154.5)
-
Step 200
200
#CADFD1
oklch(88.4% 0.029 156.6)
-
Step 300
300
#A5CCB2
oklch(81% 0.055 155.8)
-
Step 400
400
#72B18A
oklch(70.7% 0.087 156.2)
-
Step 500
500 (this color)
#409666
oklch(60.7% 0.111 156.3)
-
Step 600
600
#228855
oklch(55.7% 0.121 156.3)
-
Step 700
700
#117345
oklch(49.1% 0.112 156.3)
-
Step 800
800
#145E39
oklch(42.8% 0.094 156.3)
-
Step 900
900
#1A4D31
oklch(37.7% 0.073 156.1)
-
Step 950
950
#112D1D
oklch(27% 0.046 156.4)
#409666 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) | #958B63 | 0.101 |
| Deuteranopia (no green cones) | #898369 | 0.098 |
| Tritanopia (no blue cones) | #239589 | 0.052 |
| Achromatopsia (no color) | #868686 | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #409666
#409666
oklch(60.7% 0.111 156.3)
- #AC679B
#AC679B
oklch(60.7% 0.112 336.6)
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 #409666, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean Green #3D9973 ΔE 0.017
- Light Forest Green #4F9153 ΔE 0.024
- Viridian #1E9167 ΔE 0.027
- Sea Green #2E8B57 ΔE 0.039
- Fern Green #548D44 ΔE 0.042
- Slate Green #658D6D ΔE 0.047
- Jade #1FA774 ΔE 0.048
- Dark Sage #598556 ΔE 0.049
Use #409666 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.