#309B2E
Closest named color: Grass Green (#3F9B0B). oklch(60.7% 0.175 142.8), rgb(48, 155, 46).
Aa
Black text reads best on this color (5.85:1).
About this color
#309B2E is a medium-dark, vivid green. In OKLCH its lightness is 61%, its chroma 0.175 and its hue 143°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grass Green (#3F9B0B), ΔE 0.018 away. Black text reads best on it, at 5.85:1.
| Hue family | Greens |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.175) |
| Temperature | in between |
| Nearest name | Grass Green (#3F9B0B) |
| Black text | 5.85:1 |
| White text | 3.58:1 |
Values
| HEX | #309B2E |
| RGB | rgb(48, 155, 46) |
| HSL | hsl(119, 54%, 39%) |
| OKLCH | oklch(60.7% 0.175 142.8) |
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 #309B2E | 3.58:1 | AA large text | Lc -68.5 | Content text, not long reading |
| Black text on #309B2E | 5.85:1 | AA | Lc 41.1 | Non-text elements, placeholder text |
| #309B2E text on white | 3.58:1 | AA large text | Lc 63.0 | Content text, not long reading |
| #309B2E text on black | 5.85:1 | AA | Lc -38.7 | 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 500.
-
Step 50
50
#F1F8F1
oklch(97.2% 0.012 145.5)
-
Step 100
100
#E1EEDF
oklch(93.5% 0.024 141.5)
-
Step 200
200
#C8E2C5
oklch(88.6% 0.048 142.3)
-
Step 300
300
#A0CF9D
oklch(80.8% 0.085 143.2)
-
Step 400
400
#6AB665
oklch(70.7% 0.137 142.7)
-
Step 500
500 (this color)
#309B2E
oklch(60.7% 0.175 142.8)
-
Step 600
600
#008C07
oklch(55.5% 0.187 142.8)
-
Step 700
700
#007605
oklch(49% 0.165 142.8)
-
Step 800
800
#006103
oklch(42.7% 0.144 142.8)
-
Step 900
900
#0F500F
oklch(37.8% 0.115 142.9)
-
Step 950
950
#0C2F0B
oklch(27% 0.073 142.8)
#309B2E 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) | #9E8C1E | 0.125 |
| Deuteranopia (no green cones) | #928438 | 0.125 |
| Tritanopia (no blue cones) | #149685 | 0.113 |
| Achromatopsia (no color) | #878787 | 0.176 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #309B2E
#309B2E
oklch(60.7% 0.175 142.8)
- #B257BE
#B257BE
oklch(60.7% 0.175 322.8)
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 #309B2E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grass Green #3F9B0B ΔE 0.018
- Grassy Green #419C03 ΔE 0.021
- Irish Green #019529 ΔE 0.026
- Kelley Green #009337 ΔE 0.033
- True Green #089404 ΔE 0.034
- Emerald Green #028F1E ΔE 0.043
- Kelly Green #02AB2E ΔE 0.047
- Mid Green #50A747 ΔE 0.049
Use #309B2E 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.