#409F6B
Closest named color: Ocean Green (#3D9973). oklch(63.2% 0.12 156.4), rgb(64, 159, 107).
Aa
Black text reads best on this color (6.38:1).
About this color
#409F6B is a medium-light, moderately saturated green. In OKLCH its lightness is 63%, its chroma 0.120 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 0.024 away. Black text reads best on it, at 6.38:1.
| Hue family | Greens |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.120) |
| Temperature | in between |
| Nearest name | Ocean Green (#3D9973) |
| Black text | 6.38:1 |
| White text | 3.28:1 |
Values
| HEX | #409F6B |
| RGB | rgb(64, 159, 107) |
| HSL | hsl(147, 43%, 44%) |
| OKLCH | oklch(63.2% 0.12 156.4) |
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 #409F6B | 3.28:1 | AA large text | Lc -65.4 | Content text, not long reading |
| Black text on #409F6B | 6.38:1 | AA | Lc 44.1 | Non-text elements, placeholder text |
| #409F6B text on white | 3.28:1 | AA large text | Lc 59.9 | Large or bold text, headings |
| #409F6B text on black | 6.38:1 | AA | Lc -41.8 | 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
#E1EDE5
oklch(93.5% 0.017 156.9)
-
Step 200
200
#C9E0D0
oklch(88.5% 0.033 155.3)
-
Step 300
300
#A3CCB1
oklch(80.8% 0.058 156)
-
Step 400
400
#6DB288
oklch(70.6% 0.094 156.3)
-
Step 500
500 (this color)
#409F6B
oklch(63.2% 0.12 156.4)
-
Step 600
600
#0E8952
oklch(55.6% 0.13 156.3)
-
Step 700
700
#007443
oklch(49.1% 0.119 156.1)
-
Step 800
800
#065F37
oklch(42.8% 0.101 156.2)
-
Step 900
900
#144E30
oklch(37.8% 0.079 156.4)
-
Step 950
950
#0E2E1C
oklch(27.1% 0.051 156)
#409F6B 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) | #9E9368 | 0.109 |
| Deuteranopia (no green cones) | #918A6E | 0.106 |
| Tritanopia (no blue cones) | #1C9E91 | 0.056 |
| Achromatopsia (no color) | #8E8E8E | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #409F6B
#409F6B
oklch(63.2% 0.12 156.4)
- #B76CA5
#B76CA5
oklch(63.2% 0.12 336.4)
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 #409F6B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean Green #3D9973 ΔE 0.024
- Jade #1FA774 ΔE 0.024
- Muted Green #5FA052 ΔE 0.038
- Seaweed Green #35AD6B ΔE 0.042
- Light Forest Green #4F9153 ΔE 0.042
- Algae #54AC68 ΔE 0.045
- Dark Seafoam Green #3EAF76 ΔE 0.045
- Flat Green #699D4C ΔE 0.046
Use #409F6B 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.