#428D2C
Closest named color: Sap Green (#5C8B15). oklch(57.5% 0.152 139.4), rgb(66, 141, 44).
Aa
Black text reads best on this color (5.07:1).
About this color
#428D2C is a medium-dark, vivid green. In OKLCH its lightness is 57%, its chroma 0.152 and its hue 139°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sap Green (#5C8B15), ΔE 0.025 away. Black text reads best on it, at 5.07:1.
| Hue family | Greens |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.152) |
| Temperature | in between |
| Nearest name | Sap Green (#5C8B15) |
| Black text | 5.07:1 |
| White text | 4.13:1 |
Values
| HEX | #428D2C |
| RGB | rgb(66, 141, 44) |
| HSL | hsl(106, 52%, 36%) |
| OKLCH | oklch(57.5% 0.152 139.4) |
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 #428D2C | 4.13:1 | AA large text | Lc -73.7 | Content text, not long reading |
| Black text on #428D2C | 5.07:1 | AA | Lc 35.9 | Non-text elements, placeholder text |
| #428D2C text on white | 4.13:1 | AA large text | Lc 68.2 | Content text, not long reading |
| #428D2C text on black | 5.07:1 | AA | Lc -33.5 | 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
#F2F7F1
oklch(97.1% 0.01 140.5)
-
Step 100
100
#E3EDE1
oklch(93.5% 0.019 140.5)
-
Step 200
200
#CDE0C8
oklch(88.6% 0.038 139.2)
-
Step 300
300
#AACCA2
oklch(80.9% 0.068 139.7)
-
Step 400
400
#7CB16F
oklch(70.7% 0.109 139.6)
-
Step 500
500
#599D47
oklch(63.1% 0.139 139.4)
-
Step 600
600 (this color)
#428D2C
oklch(57.5% 0.152 139.4)
-
Step 700
700
#2E7317
oklch(49.2% 0.142 139.3)
-
Step 800
800
#275D17
oklch(42.6% 0.116 139.5)
-
Step 900
900
#254D1A
oklch(37.8% 0.091 139.4)
-
Step 950
950
#162D10
oklch(27% 0.058 139.5)
#428D2C 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) | #91811F | 0.101 |
| Deuteranopia (no green cones) | #877A35 | 0.102 |
| Tritanopia (no blue cones) | #3B8879 | 0.103 |
| Achromatopsia (no color) | #7D7D7D | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #428D2C
#428D2C
oklch(57.5% 0.152 139.4)
- #9E57B0
#9E57B0
oklch(57.4% 0.151 319.2)
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 #428D2C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sap Green #5C8B15 ΔE 0.025
- Forest Green #228B22 ΔE 0.026
- Kelley Green #009337 ΔE 0.029
- Fern Green #548D44 ΔE 0.033
- Mossy Green #638B27 ΔE 0.033
- Emerald Green #028F1E ΔE 0.034
- Irish Green #019529 ΔE 0.035
- Moss Green #658B38 ΔE 0.041
Use #428D2C 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.