#418C4B
Closest named color: Fern Green (#548D44). oklch(57.6% 0.123 146.5), rgb(65, 140, 75).
Aa
Black text reads best on this color (5.07:1).
About this color
#418C4B is a medium-dark, moderately saturated green. In OKLCH its lightness is 58%, its chroma 0.123 and its hue 146°. 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 5.07:1.
| Hue family | Greens |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.123) |
| Temperature | in between |
| Nearest name | Fern Green (#548D44) |
| Black text | 5.07:1 |
| White text | 4.13:1 |
Values
| HEX | #418C4B |
| RGB | rgb(65, 140, 75) |
| HSL | hsl(128, 37%, 40%) |
| OKLCH | oklch(57.6% 0.123 146.5) |
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 #418C4B | 4.13:1 | AA large text | Lc -73.7 | Content text, not long reading |
| Black text on #418C4B | 5.07:1 | AA | Lc 35.9 | Non-text elements, placeholder text |
| #418C4B text on white | 4.13:1 | AA large text | Lc 68.2 | Content text, not long reading |
| #418C4B text on black | 5.07:1 | AA | Lc -33.4 | 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 600.
-
Step 50
50
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E3EDE4
oklch(93.6% 0.016 148.4)
-
Step 200
200
#CDDFCD
oklch(88.5% 0.031 145.3)
-
Step 300
300
#AACBAC
oklch(80.9% 0.056 146.7)
-
Step 400
400
#7CB080
oklch(70.8% 0.088 146.5)
-
Step 500
500
#589C5F
oklch(63.2% 0.114 146.4)
-
Step 600
600 (this color)
#418C4B
oklch(57.6% 0.123 146.5)
-
Step 700
700
#2C7137
oklch(49% 0.114 146.7)
-
Step 800
800
#265C2E
oklch(42.6% 0.094 146.7)
-
Step 900
900
#244C29
oklch(37.7% 0.074 146.6)
-
Step 950
950
#162D18
oklch(27.1% 0.048 146)
#418C4B 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) | #8E8146 | 0.097 |
| Deuteranopia (no green cones) | #847A4F | 0.096 |
| Tritanopia (no blue cones) | #33897C | 0.072 |
| Achromatopsia (no color) | #7D7D7D | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #418C4B
#418C4B
oklch(57.6% 0.123 146.5)
- #9E5D9F
#9E5D9F
oklch(57.5% 0.123 326.5)
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 #418C4B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Fern Green #548D44 ΔE 0.019
- Sea Green #2E8B57 ΔE 0.020
- Light Forest Green #4F9153 ΔE 0.023
- Viridian #1E9167 ΔE 0.036
- Moss Green #658B38 ΔE 0.038
- Dark Sage #598556 ΔE 0.038
- Mossy Green #638B27 ΔE 0.043
- Swamp #698339 ΔE 0.045
Use #418C4B 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.