#428356
Closest named color: Dark Sage (#598556). oklch(55.4% 0.097 152), rgb(66, 131, 86).
Aa
Black text reads best on this color (4.61:1).
About this color
#428356 is a medium-dark, moderately saturated green. In OKLCH its lightness is 55%, its chroma 0.097 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 0.025 away. Black text reads best on it, at 4.61:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.097) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 4.61:1 |
| White text | 4.55:1 |
Values
| HEX | #428356 |
| RGB | rgb(66, 131, 86) |
| HSL | hsl(138, 33%, 39%) |
| OKLCH | oklch(55.4% 0.097 152) |
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 #428356 | 4.55:1 | AA | Lc -76.9 | Fine for body text |
| Black text on #428356 | 4.61:1 | AA | Lc 32.6 | Non-text elements, placeholder text |
| #428356 text on white | 4.55:1 | AA | Lc 71.4 | Content text, not long reading |
| #428356 text on black | 4.61:1 | 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
#5E996F
oklch(63.1% 0.089 152.4)
-
Step 600
600 (this color)
#428356
oklch(55.4% 0.097 152)
-
Step 700
700
#346F47
oklch(49.1% 0.089 152.3)
-
Step 800
800
#2C5B3A
oklch(42.8% 0.075 151.7)
-
Step 900
900
#284A32
oklch(37.6% 0.057 152.2)
-
Step 950
950
#182C1D
oklch(27.1% 0.038 151.1)
#428356 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) | #837A53 | 0.083 |
| Deuteranopia (no green cones) | #7A7359 | 0.083 |
| Tritanopia (no blue cones) | #348177 | 0.051 |
| Achromatopsia (no color) | #767676 | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #428356
#428356
oklch(55.4% 0.097 152)
- #945D8C
#945D8C
oklch(55.5% 0.097 332.1)
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 #428356, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.025
- Sea Green #2E8B57 ΔE 0.026
- Viridian #1E9167 ΔE 0.042
- Military Green #667C3E ΔE 0.044
- Jungle Green #048243 ΔE 0.046
- Fern Green #548D44 ΔE 0.047
- Light Forest Green #4F9153 ΔE 0.047
- Swamp #698339 ΔE 0.050
Use #428356 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.