#428255
Closest named color: Dark Sage (#598556). oklch(55.1% 0.097 151.7), rgb(66, 130, 85).
Aa
White text reads best on this color (4.60:1).
About this color
#428255 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 0.027 away. White text reads best on it, at 4.60:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.097) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 4.55:1 |
| White text | 4.60:1 |
Values
| HEX | #428255 |
| RGB | rgb(66, 130, 85) |
| HSL | hsl(138, 33%, 38%) |
| OKLCH | oklch(55.1% 0.097 151.7) |
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 #428255 | 4.60:1 | AA | Lc -77.3 | Fine for body text |
| Black text on #428255 | 4.55:1 | AA | Lc 32.2 | Non-text elements, placeholder text |
| #428255 text on white | 4.60:1 | AA | Lc 71.8 | Content text, not long reading |
| #428255 text on black | 4.55:1 | AA | Lc -29.8 | Dividers and decoration only |
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
#80AD8B
oklch(70.6% 0.069 151.9)
-
Step 500
500
#5F996E
oklch(63.1% 0.089 151.4)
-
Step 600
600 (this color)
#428255
oklch(55.1% 0.097 151.7)
-
Step 700
700
#356F46
oklch(49.1% 0.09 151.4)
-
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)
#428255 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) | #827952 | 0.082 |
| Deuteranopia (no green cones) | #797258 | 0.082 |
| Tritanopia (no blue cones) | #358076 | 0.051 |
| Achromatopsia (no color) | #757575 | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #428255
#428255
oklch(55.1% 0.097 151.7)
- #935C8B
#935C8B
oklch(55.2% 0.097 332.2)
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 #428255, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.027
- Sea Green #2E8B57 ΔE 0.029
- Military Green #667C3E ΔE 0.043
- Viridian #1E9167 ΔE 0.045
- Jungle Green #048243 ΔE 0.045
- Fern Green #548D44 ΔE 0.049
- Light Forest Green #4F9153 ΔE 0.050
- Swamp #698339 ΔE 0.051
Use #428255 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.