#306C40
Closest named color: Dark Olive Green (#556B2F). oklch(47.9% 0.094 150.2), rgb(48, 108, 64).
Aa
White text reads best on this color (6.27:1).
About this color
#306C40 is a medium-dark, moderately saturated green. In OKLCH its lightness is 48%, its chroma 0.094 and its hue 150°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive Green (#556B2F), ΔE 0.042 away. White text reads best on it, at 6.27:1.
| Hue family | Greens |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.094) |
| Temperature | in between |
| Nearest name | Dark Olive Green (#556B2F) |
| Black text | 3.34:1 |
| White text | 6.27:1 |
Values
| HEX | #306C40 |
| RGB | rgb(48, 108, 64) |
| HSL | hsl(136, 38%, 31%) |
| OKLCH | oklch(47.9% 0.094 150.2) |
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 #306C40 | 6.27:1 | AA | Lc -86.2 | Fine for body text |
| Black text on #306C40 | 3.34:1 | AA large text | Lc 23.0 | Dividers and decoration only |
| #306C40 text on white | 6.27:1 | AA | Lc 81.1 | Fine for body text |
| #306C40 text on black | 3.34:1 | AA large text | Lc -20.8 | 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 700.
-
Step 50
50
#F3F7F3
oklch(97.2% 0.007 145.5)
-
Step 100
100
#E4ECE5
oklch(93.5% 0.013 149.2)
-
Step 200
200
#CEDED0
oklch(88.5% 0.026 149.1)
-
Step 300
300
#ACC9B1
oklch(80.8% 0.046 150.2)
-
Step 400
400
#80AE89
oklch(70.7% 0.073 150.2)
-
Step 500
500
#5E9A6B
oklch(63.2% 0.094 149.9)
-
Step 600
600
#428453
oklch(55.6% 0.102 150.3)
-
Step 700
700 (this color)
#306C40
oklch(47.9% 0.094 150.2)
-
Step 800
800
#2C5B38
oklch(42.8% 0.078 150.3)
-
Step 900
900
#284B30
oklch(37.8% 0.062 150)
-
Step 950
950
#182C1C
oklch(27.1% 0.039 149.5)
#306C40 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) | #6D643D | 0.079 |
| Deuteranopia (no green cones) | #645E43 | 0.077 |
| Tritanopia (no blue cones) | #236A61 | 0.052 |
| Achromatopsia (no color) | #606060 | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #306C40
#306C40
oklch(47.9% 0.094 150.2)
- #7B4876
#7B4876
oklch(47.8% 0.095 330.5)
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 #306C40, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive Green #556B2F ΔE 0.042
- Camo Green #526525 ΔE 0.043
- Pine #2B5D34 ΔE 0.048
- Camouflage Green #4B6113 ΔE 0.050
- Spruce #0A5F38 ΔE 0.052
- Dark Green Blue #1F6357 ΔE 0.054
- Army Green #4B5D16 ΔE 0.055
- Dark Moss Green #606C38 ΔE 0.056
Use #306C40 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.