#409B5F
Closest named color: Light Forest Green (#4F9153). oklch(61.9% 0.126 152.1), rgb(64, 155, 95).
Aa
Black text reads best on this color (6.07:1).
About this color
#409B5F is a medium-dark, moderately saturated green. In OKLCH its lightness is 62%, its chroma 0.126 and its hue 152°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Forest Green (#4F9153), ΔE 0.029 away. Black text reads best on it, at 6.07:1.
| Hue family | Greens |
| Lightness | medium-dark (62%) |
| Chroma | moderately saturated (0.126) |
| Temperature | in between |
| Nearest name | Light Forest Green (#4F9153) |
| Black text | 6.07:1 |
| White text | 3.45:1 |
Values
| HEX | #409B5F |
| RGB | rgb(64, 155, 95) |
| HSL | hsl(140, 42%, 43%) |
| OKLCH | oklch(61.9% 0.126 152.1) |
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 #409B5F | 3.45:1 | AA large text | Lc -67.3 | Content text, not long reading |
| Black text on #409B5F | 6.07:1 | AA | Lc 42.2 | Non-text elements, placeholder text |
| #409B5F text on white | 3.45:1 | AA large text | Lc 61.9 | Content text, not long reading |
| #409B5F text on black | 6.07:1 | AA | Lc -39.8 | 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
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E2EDE4
oklch(93.5% 0.017 151.1)
-
Step 200
200
#C9E0CE
oklch(88.5% 0.035 152)
-
Step 300
300
#A4CDAD
oklch(81% 0.062 151.4)
-
Step 400
400
#70B282
oklch(70.6% 0.098 151.9)
-
Step 500
500 (this color)
#409B5F
oklch(61.9% 0.126 152.1)
-
Step 600
600
#1A8949
oklch(55.6% 0.136 152.1)
-
Step 700
700
#05743A
oklch(49% 0.127 152.1)
-
Step 800
800
#0E5F30
oklch(42.8% 0.106 151.9)
-
Step 900
900
#174E2B
oklch(37.8% 0.083 152.1)
-
Step 950
950
#102E19
oklch(27.1% 0.053 151.2)
#409B5F 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) | #9B8F5B | 0.107 |
| Deuteranopia (no green cones) | #8F8663 | 0.107 |
| Tritanopia (no blue cones) | #25998C | 0.066 |
| Achromatopsia (no color) | #8A8A8A | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #409B5F
#409B5F
oklch(61.9% 0.126 152.1)
- #B167A7
#B167A7
oklch(61.8% 0.126 332.1)
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 #409B5F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Forest Green #4F9153 ΔE 0.029
- Ocean Green #3D9973 ΔE 0.030
- Muted Green #5FA052 ΔE 0.036
- Jade #1FA774 ΔE 0.037
- Viridian #1E9167 ΔE 0.042
- Flat Green #699D4C ΔE 0.042
- Fern Green #548D44 ΔE 0.043
- Drab Green #749551 ΔE 0.050
Use #409B5F 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.