#409F5B
Closest named color: Muted Green (#5FA052). oklch(62.9% 0.135 150.1), rgb(64, 159, 91).
Aa
Black text reads best on this color (6.32:1).
About this color
#409F5B is a medium-light, moderately saturated green. In OKLCH its lightness is 63%, its chroma 0.135 and its hue 150°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Muted Green (#5FA052), ΔE 0.027 away. Black text reads best on it, at 6.32:1.
| Hue family | Greens |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.135) |
| Temperature | in between |
| Nearest name | Muted Green (#5FA052) |
| Black text | 6.32:1 |
| White text | 3.31:1 |
Values
| HEX | #409F5B |
| RGB | rgb(64, 159, 91) |
| HSL | hsl(137, 43%, 44%) |
| OKLCH | oklch(62.9% 0.135 150.1) |
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 #409F5B | 3.31:1 | AA large text | Lc -65.7 | Content text, not long reading |
| Black text on #409F5B | 6.32:1 | AA | Lc 43.8 | Non-text elements, placeholder text |
| #409F5B text on white | 3.31:1 | AA large text | Lc 60.3 | Content text, not long reading |
| #409F5B text on black | 6.32:1 | AA | Lc -41.4 | 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
#F1F7F2
oklch(97% 0.009 150.7)
-
Step 100
100
#E1EEE3
oklch(93.6% 0.02 150.1)
-
Step 200
200
#C9E0CD
oklch(88.4% 0.036 150.5)
-
Step 300
300
#A3CDAA
oklch(80.9% 0.066 149.6)
-
Step 400
400
#6EB37D
oklch(70.6% 0.106 150)
-
Step 500
500 (this color)
#409F5B
oklch(62.9% 0.135 150.1)
-
Step 600
600
#128A41
oklch(55.6% 0.147 150.1)
-
Step 700
700
#007534
oklch(49.2% 0.135 150.2)
-
Step 800
800
#085F2B
oklch(42.6% 0.113 150.3)
-
Step 900
900
#154E27
oklch(37.6% 0.088 150.2)
-
Step 950
950
#0F2E17
oklch(27.1% 0.056 149.6)
#409F5B 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) | #A09256 | 0.113 |
| Deuteranopia (no green cones) | #938A5F | 0.109 |
| Tritanopia (no blue cones) | #269C8E | 0.075 |
| Achromatopsia (no color) | #8D8D8D | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #409F5B
#409F5B
oklch(62.9% 0.135 150.1)
- #B668AF
#B668AF
oklch(62.9% 0.135 330.4)
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 #409F5B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muted Green #5FA052 ΔE 0.027
- Jade #1FA774 ΔE 0.033
- Flat Green #699D4C ΔE 0.036
- Mid Green #50A747 ΔE 0.039
- Seaweed Green #35AD6B ΔE 0.039
- Light Forest Green #4F9153 ΔE 0.040
- Ocean Green #3D9973 ΔE 0.042
- Off Green #6BA353 ΔE 0.042
Use #409F5B 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.