#428800
Closest named color: Forest Green (#228B22). oklch(55.9% 0.165 135.7), rgb(66, 136, 0).
Aa
Black text reads best on this color (4.75:1).
About this color
#428800 is a medium-dark, vivid green. In OKLCH its lightness is 56%, its chroma 0.165 and its hue 136°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Forest Green (#228B22), ΔE 0.021 away. Black text reads best on it, at 4.75:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.165) |
| Temperature | in between |
| Nearest name | Forest Green (#228B22) |
| Black text | 4.75:1 |
| White text | 4.41:1 |
Values
| HEX | #428800 |
| RGB | rgb(66, 136, 0) |
| HSL | hsl(91, 100%, 27%) |
| OKLCH | oklch(55.9% 0.165 135.7) |
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 #428800 | 4.41:1 | AA large text | Lc -75.8 | Fine for body text |
| Black text on #428800 | 4.75:1 | AA | Lc 33.8 | Non-text elements, placeholder text |
| #428800 text on white | 4.41:1 | AA large text | Lc 70.3 | Content text, not long reading |
| #428800 text on black | 4.75:1 | 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
#F2F7F0
oklch(97% 0.011 136.6)
-
Step 100
100
#E4EDDF
oklch(93.5% 0.021 134.1)
-
Step 200
200
#CDE0C5
oklch(88.5% 0.042 136.3)
-
Step 300
300
#ACCC9C
oklch(80.9% 0.074 135.3)
-
Step 400
400
#7FB164
oklch(70.6% 0.119 135.4)
-
Step 500
500
#5D9D36
oklch(63.1% 0.151 135.6)
-
Step 600
600 (this color)
#428800
oklch(55.9% 0.165 135.7)
-
Step 700
700
#367200
oklch(49.2% 0.146 135.8)
-
Step 800
800
#2B5D00
oklch(42.6% 0.126 135.7)
-
Step 900
900
#274D0E
oklch(37.8% 0.1 135.8)
-
Step 950
950
#182D0B
oklch(27% 0.062 135.4)
#428800 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) | #8D7C00 | 0.101 |
| Deuteranopia (no green cones) | #847619 | 0.100 |
| Tritanopia (no blue cones) | #3F8273 | 0.121 |
| Achromatopsia (no color) | #787878 | 0.166 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #428800
#428800
oklch(55.9% 0.165 135.7)
- #984FB4
#984FB4
oklch(55.8% 0.165 315.7)
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 #428800, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Forest Green #228B22 ΔE 0.021
- Dark Grass Green #388004 ΔE 0.027
- Emerald Green #028F1E ΔE 0.031
- Sap Green #5C8B15 ΔE 0.032
- Kelley Green #009337 ΔE 0.040
- Tree Green #2A7E19 ΔE 0.040
- Irish Green #019529 ΔE 0.041
- True Green #089404 ΔE 0.041
Use #428800 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.