#309C32
Closest named color: Grass Green (#3F9B0B). oklch(61% 0.174 143.3), rgb(48, 156, 50).
Aa
Black text reads best on this color (5.92:1).
About this color
#309C32 is a medium-dark, vivid green. In OKLCH its lightness is 61%, 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 5.92:1.
| Hue family | Greens |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.174) |
| Temperature | in between |
| Nearest name | Grass Green (#3F9B0B) |
| Black text | 5.92:1 |
| White text | 3.54:1 |
Values
| HEX | #309C32 |
| RGB | rgb(48, 156, 50) |
| HSL | hsl(121, 53%, 40%) |
| OKLCH | oklch(61% 0.174 143.3) |
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 #309C32 | 3.54:1 | AA large text | Lc -68.0 | Content text, not long reading |
| Black text on #309C32 | 5.92:1 | AA | Lc 41.5 | Non-text elements, placeholder text |
| #309C32 text on white | 3.54:1 | AA large text | Lc 62.6 | Content text, not long reading |
| #309C32 text on black | 5.92:1 | AA | Lc -39.1 | 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
#E1EEE0
oklch(93.6% 0.023 143.4)
-
Step 200
200
#C7E2C6
oklch(88.5% 0.048 144.2)
-
Step 300
300
#A0CF9D
oklch(80.8% 0.085 143.2)
-
Step 400
400
#69B667
oklch(70.7% 0.136 143.5)
-
Step 500
500 (this color)
#309C32
oklch(61% 0.174 143.3)
-
Step 600
600
#008C12
oklch(55.5% 0.184 143.3)
-
Step 700
700
#00760D
oklch(49.1% 0.163 143.3)
-
Step 800
800
#006109
oklch(42.7% 0.141 143.3)
-
Step 900
900
#0F5011
oklch(37.8% 0.113 143.3)
-
Step 950
950
#0C2F0C
oklch(27% 0.072 143.3)
#309C32 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) | #9F8D24 | 0.125 |
| Deuteranopia (no green cones) | #93853C | 0.126 |
| Tritanopia (no blue cones) | #129886 | 0.109 |
| Achromatopsia (no color) | #888888 | 0.175 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #309C32
#309C32
oklch(61% 0.174 143.3)
- #B358BE
#B358BE
oklch(60.9% 0.174 323.2)
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 #309C32, 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 0.022
- Irish Green #019529 ΔE 0.029
- Kelley Green #009337 ΔE 0.034
- True Green #089404 ΔE 0.038
- Kelly Green #02AB2E ΔE 0.045
- Mid Green #50A747 ΔE 0.046
- Emerald Green #028F1E ΔE 0.046
Use #309C32 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.