#428E49
Closest named color: Fern Green (#548D44). oklch(58.1% 0.127 145.5), rgb(66, 142, 73).
Aa
Black text reads best on this color (5.19:1).
About this color
#428E49 is a medium-dark, moderately saturated green. In OKLCH its lightness is 58%, its chroma 0.127 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 0.016 away. Black text reads best on it, at 5.19:1.
| Hue family | Greens |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.127) |
| Temperature | in between |
| Nearest name | Fern Green (#548D44) |
| Black text | 5.19:1 |
| White text | 4.04:1 |
Values
| HEX | #428E49 |
| RGB | rgb(66, 142, 73) |
| HSL | hsl(126, 37%, 41%) |
| OKLCH | oklch(58.1% 0.127 145.5) |
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 #428E49 | 4.04:1 | AA large text | Lc -72.9 | Content text, not long reading |
| Black text on #428E49 | 5.19:1 | AA | Lc 36.7 | Non-text elements, placeholder text |
| #428E49 text on white | 4.04:1 | AA large text | Lc 67.4 | Content text, not long reading |
| #428E49 text on black | 5.19:1 | AA | Lc -34.2 | 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
#CDDFCD
oklch(88.5% 0.031 145.3)
-
Step 300
300
#AACBAB
oklch(80.9% 0.057 145.8)
-
Step 400
400
#7BB07E
oklch(70.7% 0.091 145.9)
-
Step 500
500
#579C5C
oklch(63.1% 0.118 145.6)
-
Step 600
600 (this color)
#428E49
oklch(58.1% 0.127 145.5)
-
Step 700
700
#2C7233
oklch(49.2% 0.119 145.3)
-
Step 800
800
#265D2B
oklch(42.8% 0.099 145.3)
-
Step 900
900
#244C27
oklch(37.7% 0.077 145.4)
-
Step 950
950
#162D17
oklch(27.1% 0.049 145)
#428E49 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) | #908343 | 0.097 |
| Deuteranopia (no green cones) | #867C4E | 0.097 |
| Tritanopia (no blue cones) | #358B7E | 0.077 |
| Achromatopsia (no color) | #7E7E7E | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #428E49
#428E49
oklch(58.1% 0.127 145.5)
- #A05EA3
#A05EA3
oklch(58.1% 0.126 325.5)
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 #428E49, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Fern Green #548D44 ΔE 0.016
- Light Forest Green #4F9153 ΔE 0.020
- Sea Green #2E8B57 ΔE 0.025
- Moss Green #658B38 ΔE 0.035
- Viridian #1E9167 ΔE 0.038
- Mossy Green #638B27 ΔE 0.039
- Kelley Green #009337 ΔE 0.042
- Sap Green #5C8B15 ΔE 0.043
Use #428E49 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.