#428452
Closest named color: Sea Green (#2E8B57). oklch(55.6% 0.103 149.8), rgb(66, 132, 82).
Aa
Black text reads best on this color (4.65:1).
About this color
#428452 is a medium-dark, moderately saturated green. In OKLCH its lightness is 56%, its chroma 0.103 and its hue 150°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sea Green (#2E8B57), ΔE 0.022 away. Black text reads best on it, at 4.65:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.103) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 4.65:1 |
| White text | 4.51:1 |
Values
| HEX | #428452 |
| RGB | rgb(66, 132, 82) |
| HSL | hsl(135, 33%, 39%) |
| OKLCH | oklch(55.6% 0.103 149.8) |
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 #428452 | 4.51:1 | AA | Lc -76.6 | Fine for body text |
| Black text on #428452 | 4.65:1 | AA | Lc 32.9 | Non-text elements, placeholder text |
| #428452 text on white | 4.51:1 | AA | Lc 71.1 | Content text, not long reading |
| #428452 text on black | 4.65:1 | AA | Lc -30.5 | 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
#E4ECE5
oklch(93.5% 0.013 149.2)
-
Step 200
200
#CEDED0
oklch(88.5% 0.026 149.1)
-
Step 300
300
#ACCAB1
oklch(81% 0.047 150)
-
Step 400
400
#80AE88
oklch(70.7% 0.074 149.5)
-
Step 500
500
#5E9A6A
oklch(63.2% 0.095 149.4)
-
Step 600
600 (this color)
#428452
oklch(55.6% 0.103 149.8)
-
Step 700
700
#337042
oklch(49.2% 0.097 149.6)
-
Step 800
800
#2B5B37
oklch(42.7% 0.079 150)
-
Step 900
900
#284B30
oklch(37.8% 0.062 150)
-
Step 950
950
#182C1C
oklch(27.1% 0.039 149.5)
#428452 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) | #857A4F | 0.087 |
| Deuteranopia (no green cones) | #7B7455 | 0.084 |
| Tritanopia (no blue cones) | #358277 | 0.056 |
| Achromatopsia (no color) | #767676 | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #428452
#428452
oklch(55.6% 0.103 149.8)
- #955C90
#955C90
oklch(55.6% 0.103 330)
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 #428452, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.022
- Dark Sage #598556 ΔE 0.026
- Fern Green #548D44 ΔE 0.041
- Viridian #1E9167 ΔE 0.041
- Jungle Green #048243 ΔE 0.042
- Military Green #667C3E ΔE 0.043
- Light Forest Green #4F9153 ΔE 0.043
- Swamp #698339 ΔE 0.047
Use #428452 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.