#409F66
Closest named color: Jade (#1FA774). oklch(63.1% 0.125 154.2), rgb(64, 159, 102).
Aa
Black text reads best on this color (6.36:1).
About this color
#409F66 is a medium-light, moderately saturated green. In OKLCH its lightness is 63%, its chroma 0.125 and its hue 154°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jade (#1FA774), ΔE 0.026 away. Black text reads best on it, at 6.36:1.
| Hue family | Greens |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.125) |
| Temperature | in between |
| Nearest name | Jade (#1FA774) |
| Black text | 6.36:1 |
| White text | 3.29:1 |
Values
| HEX | #409F66 |
| RGB | rgb(64, 159, 102) |
| HSL | hsl(144, 43%, 44%) |
| OKLCH | oklch(63.1% 0.125 154.2) |
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 #409F66 | 3.29:1 | AA large text | Lc -65.5 | Content text, not long reading |
| Black text on #409F66 | 6.36:1 | AA | Lc 44.0 | Non-text elements, placeholder text |
| #409F66 text on white | 3.29:1 | AA large text | Lc 60.1 | Content text, not long reading |
| #409F66 text on black | 6.36:1 | AA | Lc -41.7 | 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
#F1F7F3
oklch(97.1% 0.008 157.1)
-
Step 100
100
#E1EEE5
oklch(93.7% 0.018 155.8)
-
Step 200
200
#C9E0CF
oklch(88.5% 0.034 153.6)
-
Step 300
300
#A3CDAF
oklch(81% 0.061 153.8)
-
Step 400
400
#6DB385
oklch(70.8% 0.098 154.3)
-
Step 500
500 (this color)
#409F66
oklch(63.1% 0.125 154.2)
-
Step 600
600
#10894D
oklch(55.5% 0.135 154.2)
-
Step 700
700
#00743F
oklch(49.1% 0.123 154.3)
-
Step 800
800
#075F33
oklch(42.7% 0.105 154)
-
Step 900
900
#154E2D
oklch(37.8% 0.081 153.9)
-
Step 950
950
#0E2E1B
oklch(27.1% 0.052 154.7)
#409F66 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) | #9F9362 | 0.110 |
| Deuteranopia (no green cones) | #928A6A | 0.108 |
| Tritanopia (no blue cones) | #1F9D90 | 0.062 |
| Achromatopsia (no color) | #8E8E8E | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #409F66
#409F66
oklch(63.1% 0.125 154.2)
- #B66BA8
#B66BA8
oklch(63.1% 0.124 334.1)
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 #409F66, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jade #1FA774 ΔE 0.026
- Ocean Green #3D9973 ΔE 0.030
- Muted Green #5FA052 ΔE 0.033
- Seaweed Green #35AD6B ΔE 0.040
- Light Forest Green #4F9153 ΔE 0.040
- Flat Green #699D4C ΔE 0.042
- Algae #54AC68 ΔE 0.044
- Jade Green #2BAF6A ΔE 0.046
Use #409F66 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.