#428124
Closest named color: Dark Grass Green (#388004). oklch(54.1% 0.142 137.4), rgb(66, 129, 36).
Aa
White text reads best on this color (4.77:1).
About this color
#428124 is a medium-dark, vivid green. In OKLCH its lightness is 54%, its chroma 0.142 and its hue 137°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Grass Green (#388004), ΔE 0.020 away. White text reads best on it, at 4.77:1.
| Hue family | Greens |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.142) |
| Temperature | in between |
| Nearest name | Dark Grass Green (#388004) |
| Black text | 4.39:1 |
| White text | 4.77:1 |
Values
| HEX | #428124 |
| RGB | rgb(66, 129, 36) |
| HSL | hsl(101, 56%, 32%) |
| OKLCH | oklch(54.1% 0.142 137.4) |
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 #428124 | 4.77:1 | AA | Lc -78.3 | Fine for body text |
| Black text on #428124 | 4.39:1 | AA large text | Lc 31.2 | Non-text elements, placeholder text |
| #428124 text on white | 4.77:1 | AA | Lc 72.9 | Content text, not long reading |
| #428124 text on black | 4.39:1 | AA large text | Lc -28.8 | 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
#F3F7F1
oklch(97.1% 0.009 134.9)
-
Step 100
100
#E4EDE1
oklch(93.6% 0.019 137.8)
-
Step 200
200
#CEDFC8
oklch(88.5% 0.036 137.5)
-
Step 300
300
#ADCBA3
oklch(80.9% 0.064 137.9)
-
Step 400
400
#82B070
oklch(70.8% 0.102 137.2)
-
Step 500
500
#619B49
oklch(63% 0.13 137.3)
-
Step 600
600 (this color)
#428124
oklch(54.1% 0.142 137.4)
-
Step 700
700
#37711B
oklch(49.1% 0.132 137.5)
-
Step 800
800
#2F5C19
oklch(42.7% 0.109 137.1)
-
Step 900
900
#2A4C1C
oklch(37.8% 0.085 137.5)
-
Step 950
950
#192C11
oklch(26.9% 0.053 137.2)
#428124 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) | #857616 | 0.089 |
| Deuteranopia (no green cones) | #7D712D | 0.090 |
| Tritanopia (no blue cones) | #3E7C6E | 0.099 |
| Achromatopsia (no color) | #737373 | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #428124
#428124
oklch(54.1% 0.142 137.4)
- #9051A4
#9051A4
oklch(54.2% 0.141 317.6)
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 #428124, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grass Green #388004 ΔE 0.020
- Tree Green #2A7E19 ΔE 0.025
- Forest Green #228B22 ΔE 0.035
- Jungle Green #048243 ΔE 0.038
- Olive Green #677A04 ΔE 0.043
- Green #008000 ΔE 0.044
- Sap Green #5C8B15 ΔE 0.045
- Fern Green #548D44 ΔE 0.050
Use #428124 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.