#309A2F
Closest named color: Grass Green (#3F9B0B). oklch(60.4% 0.174 142.9), rgb(48, 154, 47).
Aa
Black text reads best on this color (5.78:1).
About this color
#309A2F is a medium-dark, vivid green. In OKLCH its lightness is 60%, its chroma 0.174 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 0.020 away. Black text reads best on it, at 5.78:1.
| Hue family | Greens |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.174) |
| Temperature | in between |
| Nearest name | Grass Green (#3F9B0B) |
| Black text | 5.78:1 |
| White text | 3.62:1 |
Values
| HEX | #309A2F |
| RGB | rgb(48, 154, 47) |
| HSL | hsl(119, 53%, 39%) |
| OKLCH | oklch(60.4% 0.174 142.9) |
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 #309A2F | 3.62:1 | AA large text | Lc -68.9 | Content text, not long reading |
| Black text on #309A2F | 5.78:1 | AA | Lc 40.7 | Non-text elements, placeholder text |
| #309A2F text on white | 3.62:1 | AA large text | Lc 63.4 | Content text, not long reading |
| #309A2F text on black | 5.78:1 | AA | Lc -38.3 | 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
#A1CF9D
oklch(80.9% 0.084 142.7)
-
Step 400
400
#6AB666
oklch(70.7% 0.136 142.9)
-
Step 500
500 (this color)
#309A2F
oklch(60.4% 0.174 142.9)
-
Step 600
600
#008C0A
oklch(55.5% 0.186 142.9)
-
Step 700
700
#007607
oklch(49.1% 0.165 142.9)
-
Step 800
800
#006105
oklch(42.7% 0.143 143)
-
Step 900
900
#105010
oklch(37.8% 0.114 142.9)
-
Step 950
950
#0D2F0C
oklch(27.1% 0.071 142.8)
#309A2F 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) | #9D8C20 | 0.123 |
| Deuteranopia (no green cones) | #918339 | 0.124 |
| Tritanopia (no blue cones) | #149584 | 0.111 |
| Achromatopsia (no color) | #868686 | 0.174 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #309A2F
#309A2F
oklch(60.4% 0.174 142.9)
- #B157BC
#B157BC
oklch(60.4% 0.173 323.2)
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 #309A2F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grass Green #3F9B0B ΔE 0.020
- Grassy Green #419C03 ΔE 0.023
- Irish Green #019529 ΔE 0.024
- Kelley Green #009337 ΔE 0.030
- True Green #089404 ΔE 0.033
- Emerald Green #028F1E ΔE 0.040
- Forest Green #228B22 ΔE 0.047
- Sap Green #5C8B15 ΔE 0.049
Use #309A2F 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.