#428355
Closest named color: Dark Sage (#598556). oklch(55.4% 0.098 151.5), rgb(66, 131, 85).
Aa
Black text reads best on this color (4.60:1).
About this color
#428355 is a medium-dark, moderately saturated green. In OKLCH its lightness is 55%, its chroma 0.098 and its hue 152°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Sage (#598556), ΔE 0.026 away. Black text reads best on it, at 4.60:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.098) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 4.60:1 |
| White text | 4.55:1 |
Values
| HEX | #428355 |
| RGB | rgb(66, 131, 85) |
| HSL | hsl(138, 33%, 39%) |
| OKLCH | oklch(55.4% 0.098 151.5) |
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 #428355 | 4.55:1 | AA | Lc -76.9 | Fine for body text |
| Black text on #428355 | 4.60:1 | AA | Lc 32.6 | Non-text elements, placeholder text |
| #428355 text on white | 4.55:1 | AA | Lc 71.5 | Content text, not long reading |
| #428355 text on black | 4.60:1 | AA | Lc -30.2 | 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
#F3F7F3
oklch(97.2% 0.007 145.5)
-
Step 100
100
#E4ECE6
oklch(93.5% 0.012 153.7)
-
Step 200
200
#CEDED1
oklch(88.5% 0.025 151.1)
-
Step 300
300
#ADC9B3
oklch(80.9% 0.043 151.7)
-
Step 400
400
#80AE8B
oklch(70.8% 0.071 151.7)
-
Step 500
500
#5E996E
oklch(63% 0.09 151.8)
-
Step 600
600 (this color)
#428355
oklch(55.4% 0.098 151.5)
-
Step 700
700
#346F46
oklch(49% 0.09 151.7)
-
Step 800
800
#2C5B39
oklch(42.8% 0.077 151)
-
Step 900
900
#284B32
oklch(37.8% 0.059 151.9)
-
Step 950
950
#182C1D
oklch(27.1% 0.038 151.1)
#428355 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) | #837A52 | 0.083 |
| Deuteranopia (no green cones) | #7A7358 | 0.083 |
| Tritanopia (no blue cones) | #348177 | 0.053 |
| Achromatopsia (no color) | #767676 | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #428355
#428355
oklch(55.4% 0.098 151.5)
- #945C8D
#945C8D
oklch(55.4% 0.099 331.4)
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 #428355, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.026
- Sea Green #2E8B57 ΔE 0.026
- Viridian #1E9167 ΔE 0.042
- Military Green #667C3E ΔE 0.043
- Jungle Green #048243 ΔE 0.045
- Fern Green #548D44 ΔE 0.046
- Light Forest Green #4F9153 ΔE 0.047
- Swamp #698339 ΔE 0.050
Use #428355 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.