#409E7B
Closest named color: Ocean Green (#3D9973). oklch(63.3% 0.104 165.6), rgb(64, 158, 123).
Aa
Black text reads best on this color (6.39:1).
About this color
#409E7B is a medium-light, moderately saturated green. In OKLCH its lightness is 63%, its chroma 0.104 and its hue 166°. 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 6.39:1.
| Hue family | Greens |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.104) |
| Temperature | in between |
| Nearest name | Ocean Green (#3D9973) |
| Black text | 6.39:1 |
| White text | 3.28:1 |
Values
| HEX | #409E7B |
| RGB | rgb(64, 158, 123) |
| HSL | hsl(158, 42%, 44%) |
| OKLCH | oklch(63.3% 0.104 165.6) |
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 #409E7B | 3.28:1 | AA large text | Lc -65.4 | Content text, not long reading |
| Black text on #409E7B | 6.39:1 | AA | Lc 44.1 | Non-text elements, placeholder text |
| #409E7B text on white | 3.28:1 | AA large text | Lc 59.9 | Large or bold text, headings |
| #409E7B text on black | 6.39:1 | 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
#F1F7F4
oklch(97.1% 0.007 164.9)
-
Step 100
100
#E1EDE7
oklch(93.5% 0.015 164.7)
-
Step 200
200
#C9DFD5
oklch(88.4% 0.027 166.7)
-
Step 300
300
#A2CCB9
oklch(81% 0.052 165.8)
-
Step 400
400
#6DB195
oklch(70.7% 0.081 166.1)
-
Step 500
500 (this color)
#409E7B
oklch(63.3% 0.104 165.6)
-
Step 600
600
#0C8863
oklch(55.7% 0.114 165.3)
-
Step 700
700
#007353
oklch(49.2% 0.103 165.6)
-
Step 800
800
#055E43
oklch(42.8% 0.088 165.1)
-
Step 900
900
#144D39
oklch(37.8% 0.068 165.6)
-
Step 950
950
#0E2D21
oklch(27% 0.043 165.1)
#409E7B 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) | #9B9479 | 0.103 |
| Deuteranopia (no green cones) | #8D8A7D | 0.099 |
| Tritanopia (no blue cones) | #099E94 | 0.040 |
| Achromatopsia (no color) | #8E8E8E | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #409E7B
#409E7B
oklch(63.3% 0.104 165.6)
- #B76F98
#B76F98
oklch(63.2% 0.105 345.3)
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 #409E7B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean Green #3D9973 ΔE 0.017
- Persian Green #2A9D8F ΔE 0.031
- Jade #1FA774 ΔE 0.035
- Blue Green #0F9B8E ΔE 0.037
- Grey Teal #5E9B8A ΔE 0.039
- Sea #3C9992 ΔE 0.042
- Dull Teal #5F9E8F ΔE 0.043
- Dusty Teal #4C9085 ΔE 0.050
Use #409E7B 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.