#409E81
Closest named color: Ocean Green (#3D9973). oklch(63.5% 0.1 169.7), rgb(64, 158, 129).
Aa
Black text reads best on this color (6.42:1).
About this color
#409E81 is a medium-light, moderately saturated green. In OKLCH its lightness is 63%, its chroma 0.100 and its hue 170°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Ocean Green (#3D9973), ΔE 0.022 away. Black text reads best on it, at 6.42:1.
| Hue family | Greens |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.100) |
| Temperature | in between |
| Nearest name | Ocean Green (#3D9973) |
| Black text | 6.42:1 |
| White text | 3.26:1 |
Values
| HEX | #409E81 |
| RGB | rgb(64, 158, 129) |
| HSL | hsl(161, 42%, 44%) |
| OKLCH | oklch(63.5% 0.1 169.7) |
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 #409E81 | 3.26:1 | AA large text | Lc -65.2 | Content text, not long reading |
| Black text on #409E81 | 6.42:1 | AA | Lc 44.3 | Non-text elements, placeholder text |
| #409E81 text on white | 3.26:1 | AA large text | Lc 59.8 | Large or bold text, headings |
| #409E81 text on black | 6.42:1 | AA | Lc -42.0 | 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
#F1F7F5
oklch(97.1% 0.007 174.4)
-
Step 100
100
#E1EDE8
oklch(93.6% 0.014 169.2)
-
Step 200
200
#C9DFD6
oklch(88.5% 0.026 169.2)
-
Step 300
300
#A2CBBC
oklch(80.8% 0.048 170.8)
-
Step 400
400
#6DB199
oklch(70.8% 0.078 169.6)
-
Step 500
500 (this color)
#409E81
oklch(63.5% 0.1 169.7)
-
Step 600
600
#0A8769
oklch(55.5% 0.108 169.8)
-
Step 700
700
#007258
oklch(49.1% 0.097 169.9)
-
Step 800
800
#045D48
oklch(42.6% 0.083 170.3)
-
Step 900
900
#134D3C
oklch(37.8% 0.066 169.3)
-
Step 950
950
#0E2D23
oklch(27% 0.042 169.1)
#409E81 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) | #9A9480 | 0.102 |
| Deuteranopia (no green cones) | #8C8A83 | 0.098 |
| Tritanopia (no blue cones) | #009F96 | 0.034 |
| Achromatopsia (no color) | #8E8E8E | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #409E81
#409E81
oklch(63.5% 0.1 169.7)
- #B87193
#B87193
oklch(63.5% 0.099 350.1)
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 #409E81, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean Green #3D9973 ΔE 0.022
- Persian Green #2A9D8F ΔE 0.024
- Blue Green #0F9B8E ΔE 0.031
- Grey Teal #5E9B8A ΔE 0.032
- Sea #3C9992 ΔE 0.034
- Dull Teal #5F9E8F ΔE 0.036
- Jade #1FA774 ΔE 0.041
- Dusty Teal #4C9085 ΔE 0.045
Use #409E81 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.