#428568
Closest named color: Dark Sage (#598556). oklch(56.4% 0.083 163.5), rgb(66, 133, 104).
Aa
Black text reads best on this color (4.78:1).
About this color
#428568 is a medium-dark, moderately saturated green. In OKLCH its lightness is 56%, its chroma 0.083 and its hue 163°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Sage (#598556), ΔE 0.031 away. Black text reads best on it, at 4.78:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.083) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 4.78:1 |
| White text | 4.38:1 |
Values
| HEX | #428568 |
| RGB | rgb(66, 133, 104) |
| HSL | hsl(154, 34%, 39%) |
| OKLCH | oklch(56.4% 0.083 163.5) |
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 #428568 | 4.38:1 | AA large text | Lc -75.7 | Fine for body text |
| Black text on #428568 | 4.78:1 | AA | Lc 33.8 | Non-text elements, placeholder text |
| #428568 text on white | 4.38:1 | AA large text | Lc 70.3 | Content text, not long reading |
| #428568 text on black | 4.78:1 | AA | Lc -31.4 | 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
#F3F6F4
oklch(97% 0.004 157.2)
-
Step 100
100
#E4ECE8
oklch(93.6% 0.01 164.9)
-
Step 200
200
#CDDED5
oklch(88.5% 0.022 163)
-
Step 300
300
#ACC9BA
oklch(81% 0.038 163)
-
Step 400
400
#7EAD96
oklch(70.7% 0.061 163.2)
-
Step 500
500
#5C987D
oklch(63.1% 0.075 163.9)
-
Step 600
600 (this color)
#428568
oklch(56.4% 0.083 163.5)
-
Step 700
700
#316E54
oklch(49% 0.077 163.3)
-
Step 800
800
#2A5A45
oklch(42.7% 0.064 163.2)
-
Step 900
900
#274A3A
oklch(37.7% 0.05 163)
-
Step 950
950
#172B22
oklch(26.9% 0.031 164)
#428568 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) | #837D66 | 0.081 |
| Deuteranopia (no green cones) | #79766A | 0.078 |
| Tritanopia (no blue cones) | #2C857D | 0.033 |
| Achromatopsia (no color) | #787878 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #428568
#428568
oklch(56.4% 0.083 163.5)
- #986282
#986282
oklch(56.5% 0.082 343.7)
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 #428568, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.031
- Sea Green #2E8B57 ΔE 0.039
- Viridian #1E9167 ΔE 0.041
- Slate Green #658D6D ΔE 0.047
- Dusty Teal #4C9085 ΔE 0.049
- Teal #008080 ΔE 0.053
- Dark Cyan #008B8B ΔE 0.053
- Light Forest Green #4F9153 ΔE 0.055
Use #428568 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.