#339D34
Closest named color: Grass Green (#3F9B0B). oklch(61.4% 0.173 143.2), rgb(51, 157, 52).
Aa
Black text reads best on this color (6.01:1).
About this color
#339D34 is a medium-dark, vivid green. In OKLCH its lightness is 61%, its chroma 0.173 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 0.021 away. Black text reads best on it, at 6.01:1.
| Hue family | Greens |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.173) |
| Temperature | in between |
| Nearest name | Grass Green (#3F9B0B) |
| Black text | 6.01:1 |
| White text | 3.49:1 |
Values
| HEX | #339D34 |
| RGB | rgb(51, 157, 52) |
| HSL | hsl(121, 51%, 41%) |
| OKLCH | oklch(61.4% 0.173 143.2) |
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 #339D34 | 3.49:1 | AA large text | Lc -67.5 | Content text, not long reading |
| Black text on #339D34 | 6.01:1 | AA | Lc 42.0 | Non-text elements, placeholder text |
| #339D34 text on white | 3.49:1 | AA large text | Lc 62.1 | Content text, not long reading |
| #339D34 text on black | 6.01:1 | AA | Lc -39.6 | 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
#C8E2C6
oklch(88.6% 0.047 143.2)
-
Step 300
300
#A1CF9E
oklch(80.9% 0.083 143.2)
-
Step 400
400
#6AB667
oklch(70.7% 0.135 143.2)
-
Step 500
500 (this color)
#339D34
oklch(61.4% 0.173 143.2)
-
Step 600
600
#008C10
oklch(55.5% 0.184 143.2)
-
Step 700
700
#00760C
oklch(49.1% 0.163 143.2)
-
Step 800
800
#006108
oklch(42.7% 0.142 143.2)
-
Step 900
900
#105011
oklch(37.8% 0.113 143.1)
-
Step 950
950
#0C2F0C
oklch(27% 0.072 143.3)
#339D34 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) | #A08E26 | 0.124 |
| Deuteranopia (no green cones) | #94863D | 0.124 |
| Tritanopia (no blue cones) | #199987 | 0.108 |
| Achromatopsia (no color) | #898989 | 0.173 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #339D34
#339D34
oklch(61.4% 0.173 143.2)
- #B45ABF
#B45ABF
oklch(61.4% 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 #339D34, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grass Green #3F9B0B ΔE 0.021
- Grassy Green #419C03 ΔE 0.023
- Irish Green #019529 ΔE 0.033
- Kelley Green #009337 ΔE 0.038
- True Green #089404 ΔE 0.042
- Mid Green #50A747 ΔE 0.042
- Kelly Green #02AB2E ΔE 0.043
- Medium Green #39AD48 ΔE 0.048
Use #339D34 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.