#427F04
Closest named color: Dark Grass Green (#388004). oklch(53.4% 0.154 134.8), rgb(66, 127, 4).
Aa
White text reads best on this color (4.91:1).
About this color
#427F04 is a medium-dark, vivid green. In OKLCH its lightness is 53%, its chroma 0.154 and its hue 135°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Grass Green (#388004), ΔE 0.009 away. White text reads best on it, at 4.91:1.
| Hue family | Greens |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.154) |
| Temperature | in between |
| Nearest name | Dark Grass Green (#388004) |
| Black text | 4.26:1 |
| White text | 4.91:1 |
Values
| HEX | #427F04 |
| RGB | rgb(66, 127, 4) |
| HSL | hsl(90, 94%, 26%) |
| OKLCH | oklch(53.4% 0.154 134.8) |
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 #427F04 | 4.91:1 | AA | Lc -79.2 | Fine for body text |
| Black text on #427F04 | 4.26:1 | AA large text | Lc 30.3 | Non-text elements, placeholder text |
| #427F04 text on white | 4.91:1 | AA | Lc 73.7 | Content text, not long reading |
| #427F04 text on black | 4.26:1 | AA large text | Lc -28.0 | 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
#E4EDE0
oklch(93.6% 0.02 135.8)
-
Step 200
200
#CFDFC6
oklch(88.5% 0.038 134.1)
-
Step 300
300
#AECB9E
oklch(80.9% 0.069 134.5)
-
Step 400
400
#83B068
oklch(70.7% 0.111 134.5)
-
Step 500
500
#629C3C
oklch(63.2% 0.142 134.9)
-
Step 600
600 (this color)
#427F04
oklch(53.4% 0.154 134.8)
-
Step 700
700
#397100
oklch(49.1% 0.143 134.9)
-
Step 800
800
#305C09
oklch(42.6% 0.118 134.7)
-
Step 900
900
#2B4C13
oklch(37.8% 0.093 134.7)
-
Step 950
950
#192D0D
oklch(27.1% 0.06 135.4)
#427F04 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) | #847400 | 0.092 |
| Deuteranopia (no green cones) | #7C6F19 | 0.090 |
| Tritanopia (no blue cones) | #407A6B | 0.112 |
| Achromatopsia (no color) | #707070 | 0.154 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #427F04
#427F04
oklch(53.4% 0.154 134.8)
- #8D4CA9
#8D4CA9
oklch(53.4% 0.153 314.7)
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 #427F04, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grass Green #388004 ΔE 0.009
- Tree Green #2A7E19 ΔE 0.020
- Green #008000 ΔE 0.035
- Forest Green #228B22 ΔE 0.036
- Olive Green #677A04 ΔE 0.045
- Jungle Green #048243 ΔE 0.048
- Sap Green #5C8B15 ΔE 0.049
- Emerald Green #028F1E ΔE 0.050
Use #427F04 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.