#427C09
Closest named color: Dark Grass Green (#388004). oklch(52.6% 0.149 134.6), rgb(66, 124, 9).
Aa
White text reads best on this color (5.09:1).
About this color
#427C09 is a medium-dark, vivid green. In OKLCH its lightness is 53%, its chroma 0.149 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 0.015 away. White text reads best on it, at 5.09:1.
| Hue family | Greens |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.149) |
| Temperature | in between |
| Nearest name | Dark Grass Green (#388004) |
| Black text | 4.11:1 |
| White text | 5.09:1 |
Values
| HEX | #427C09 |
| RGB | rgb(66, 124, 9) |
| HSL | hsl(90, 86%, 26%) |
| OKLCH | oklch(52.6% 0.149 134.6) |
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 #427C09 | 5.09:1 | AA | Lc -80.3 | Fine for body text |
| Black text on #427C09 | 4.11:1 | AA large text | Lc 29.2 | Dividers and decoration only |
| #427C09 text on white | 5.09:1 | AA | Lc 74.9 | Content text, not long reading |
| #427C09 text on black | 4.11:1 | AA large text | Lc -26.8 | 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
#E5EDE0
oklch(93.6% 0.019 133.1)
-
Step 200
200
#CFDFC7
oklch(88.5% 0.037 135)
-
Step 300
300
#AFCB9F
oklch(81% 0.067 134.3)
-
Step 400
400
#84AF6A
oklch(70.6% 0.106 134.4)
-
Step 500
500
#649B40
oklch(63.1% 0.136 134.7)
-
Step 600
600 (this color)
#427C09
oklch(52.6% 0.149 134.6)
-
Step 700
700
#3C7108
oklch(49.2% 0.139 134.5)
-
Step 800
800
#325C0E
oklch(42.8% 0.115 134.5)
-
Step 900
900
#2C4B15
oklch(37.6% 0.089 134.3)
-
Step 950
950
#1A2C0E
oklch(26.9% 0.056 134.5)
#427C09 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) | #817100 | 0.088 |
| Deuteranopia (no green cones) | #796C1B | 0.088 |
| Tritanopia (no blue cones) | #417769 | 0.109 |
| Achromatopsia (no color) | #6E6E6E | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #427C09
#427C09
oklch(52.6% 0.149 134.6)
- #8A4BA5
#8A4BA5
oklch(52.6% 0.149 314.7)
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 #427C09, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grass Green #388004 ΔE 0.015
- Tree Green #2A7E19 ΔE 0.018
- Green #008000 ΔE 0.037
- Forest Green #228B22 ΔE 0.044
- Olive Green #677A04 ΔE 0.045
- Jungle Green #048243 ΔE 0.047
- Murky Green #6C7A0E ΔE 0.053
- Sap Green #5C8B15 ΔE 0.056
Use #427C09 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.