#408E42
Closest named color: Fern Green (#548D44). oklch(57.9% 0.135 144), rgb(64, 142, 66).
Aa
Black text reads best on this color (5.16:1).
About this color
#408E42 is a medium-dark, moderately saturated green. In OKLCH its lightness is 58%, its chroma 0.135 and its hue 144°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Fern Green (#548D44), ΔE 0.019 away. Black text reads best on it, at 5.16:1.
| Hue family | Greens |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.135) |
| Temperature | in between |
| Nearest name | Fern Green (#548D44) |
| Black text | 5.16:1 |
| White text | 4.06:1 |
Values
| HEX | #408E42 |
| RGB | rgb(64, 142, 66) |
| HSL | hsl(122, 38%, 40%) |
| OKLCH | oklch(57.9% 0.135 144) |
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 #408E42 | 4.06:1 | AA large text | Lc -73.1 | Content text, not long reading |
| Black text on #408E42 | 5.16:1 | AA | Lc 36.5 | Non-text elements, placeholder text |
| #408E42 text on white | 4.06:1 | AA large text | Lc 67.6 | Content text, not long reading |
| #408E42 text on black | 5.16:1 | AA | Lc -34.1 | 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 600.
-
Step 50
50
#F2F7F2
oklch(97.1% 0.008 145.5)
-
Step 100
100
#E3EDE3
oklch(93.6% 0.017 145.4)
-
Step 200
200
#CCDFCB
oklch(88.4% 0.034 143.9)
-
Step 300
300
#A9CBA8
oklch(80.8% 0.061 144.2)
-
Step 400
400
#7BB17A
oklch(70.8% 0.097 144)
-
Step 500
500
#569D57
oklch(63.2% 0.125 144.2)
-
Step 600
600 (this color)
#408E42
oklch(57.9% 0.135 144)
-
Step 700
700
#2A722D
oklch(49% 0.126 144)
-
Step 800
800
#255D26
oklch(42.7% 0.104 143.8)
-
Step 900
900
#234C24
oklch(37.6% 0.081 144.2)
-
Step 950
950
#152D16
oklch(27% 0.051 144.9)
#408E42 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) | #91823B | 0.102 |
| Deuteranopia (no green cones) | #867B47 | 0.100 |
| Tritanopia (no blue cones) | #348A7D | 0.085 |
| Achromatopsia (no color) | #7E7E7E | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #408E42
#408E42
oklch(57.9% 0.135 144)
- #A05BA7
#A05BA7
oklch(57.8% 0.136 323.7)
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 #408E42, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Fern Green #548D44 ΔE 0.019
- Light Forest Green #4F9153 ΔE 0.027
- Sea Green #2E8B57 ΔE 0.031
- Kelley Green #009337 ΔE 0.035
- Moss Green #658B38 ΔE 0.036
- Mossy Green #638B27 ΔE 0.036
- Sap Green #5C8B15 ΔE 0.037
- Forest Green #228B22 ΔE 0.040
Use #408E42 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.