#428753
Closest named color: Sea Green (#2E8B57). oklch(56.4% 0.107 149.8), rgb(66, 135, 83).
Aa
Black text reads best on this color (4.82:1).
About this color
#428753 is a medium-dark, moderately saturated green. In OKLCH its lightness is 56%, its chroma 0.107 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 0.016 away. Black text reads best on it, at 4.82:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.107) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 4.82:1 |
| White text | 4.35:1 |
Values
| HEX | #428753 |
| RGB | rgb(66, 135, 83) |
| HSL | hsl(135, 34%, 39%) |
| OKLCH | oklch(56.4% 0.107 149.8) |
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 #428753 | 4.35:1 | AA large text | Lc -75.5 | Fine for body text |
| Black text on #428753 | 4.82:1 | AA | Lc 34.1 | Non-text elements, placeholder text |
| #428753 text on white | 4.35:1 | AA large text | Lc 70.0 | Content text, not long reading |
| #428753 text on black | 4.82:1 | AA | Lc -31.7 | 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
#E4EDE5
oklch(93.7% 0.014 148.8)
-
Step 200
200
#CDDED0
oklch(88.4% 0.026 150.7)
-
Step 300
300
#ACCAB0
oklch(81% 0.048 148.9)
-
Step 400
400
#7EAE87
oklch(70.6% 0.076 149.8)
-
Step 500
500
#5C9A69
oklch(63.1% 0.098 149.6)
-
Step 600
600 (this color)
#428753
oklch(56.4% 0.107 149.8)
-
Step 700
700
#317041
oklch(49.1% 0.099 149.7)
-
Step 800
800
#2A5B36
oklch(42.6% 0.081 149.8)
-
Step 900
900
#274B2F
oklch(37.7% 0.064 149.7)
-
Step 950
950
#172C1C
oklch(27% 0.04 150.6)
#428753 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) | #887D4F | 0.089 |
| Deuteranopia (no green cones) | #7E7656 | 0.088 |
| Tritanopia (no blue cones) | #34857A | 0.059 |
| Achromatopsia (no color) | #797979 | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #428753
#428753
oklch(56.4% 0.107 149.8)
- #985D94
#985D94
oklch(56.3% 0.107 329.3)
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 #428753, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.016
- Dark Sage #598556 ΔE 0.025
- Fern Green #548D44 ΔE 0.034
- Light Forest Green #4F9153 ΔE 0.035
- Viridian #1E9167 ΔE 0.035
- Jungle Green #048243 ΔE 0.045
- Swamp #698339 ΔE 0.045
- Military Green #667C3E ΔE 0.046
Use #428753 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.