#339B00
Closest named color: Grass Green (#3F9B0B). oklch(60.5% 0.193 139.5), rgb(51, 155, 0).
Aa
Black text reads best on this color (5.82:1).
About this color
#339B00 is a medium-dark, vivid green. In OKLCH its lightness is 61%, its chroma 0.193 and its hue 139°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grass Green (#3F9B0B), ΔE 0.009 away. Black text reads best on it, at 5.82:1.
| Hue family | Greens |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.193) |
| Temperature | in between |
| Nearest name | Grass Green (#3F9B0B) |
| Black text | 5.82:1 |
| White text | 3.60:1 |
Values
| HEX | #339B00 |
| RGB | rgb(51, 155, 0) |
| HSL | hsl(100, 100%, 30%) |
| OKLCH | oklch(60.5% 0.193 139.5) |
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 #339B00 | 3.60:1 | AA large text | Lc -68.6 | Content text, not long reading |
| Black text on #339B00 | 5.82:1 | AA | Lc 41.0 | Non-text elements, placeholder text |
| #339B00 text on white | 3.60:1 | AA large text | Lc 63.1 | Content text, not long reading |
| #339B00 text on black | 5.82:1 | AA | Lc -38.6 | 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
#F1F8F0
oklch(97.2% 0.013 141.8)
-
Step 100
100
#E1EFDD
oklch(93.7% 0.028 138.7)
-
Step 200
200
#C8E2C1
oklch(88.5% 0.052 139.1)
-
Step 300
300
#A1D095
oklch(80.9% 0.095 139.3)
-
Step 400
400
#6BB757
oklch(70.8% 0.152 139.4)
-
Step 500
500 (this color)
#339B00
oklch(60.5% 0.193 139.5)
-
Step 600
600
#2C8A00
oklch(55.6% 0.177 139.5)
-
Step 700
700
#247400
oklch(49.1% 0.156 139.5)
-
Step 800
800
#1C5F00
oklch(42.6% 0.136 139.5)
-
Step 900
900
#164F00
oklch(37.6% 0.119 139.4)
-
Step 950
950
#0D2F04
oklch(27% 0.079 139.7)
#339B00 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) | #A08C00 | 0.130 |
| Deuteranopia (no green cones) | #94841F | 0.127 |
| Tritanopia (no blue cones) | #239583 | 0.132 |
| Achromatopsia (no color) | #878787 | 0.194 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #339B00
#339B00
oklch(60.5% 0.193 139.5)
- #B252C8
#B252C8
oklch(60.6% 0.193 319.8)
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 #339B00, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grass Green #3F9B0B ΔE 0.009
- Grassy Green #419C03 ΔE 0.011
- True Green #089404 ΔE 0.029
- Irish Green #019529 ΔE 0.032
- Kelley Green #009337 ΔE 0.044
- Kelly Green #02AB2E ΔE 0.044
- Emerald Green #028F1E ΔE 0.045
- Forest Green #228B22 ΔE 0.054
Use #339B00 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.