#39A309
Closest named color: Grassy Green (#419C03). oklch(62.9% 0.197 139.4), rgb(57, 163, 9).
Aa
Black text reads best on this color (6.41:1).
About this color
#39A309 is a medium-light, vivid green. In OKLCH its lightness is 63%, its chroma 0.197 and its hue 139°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grassy Green (#419C03), ΔE 0.020 away. Black text reads best on it, at 6.41:1.
| Hue family | Greens |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.197) |
| Temperature | in between |
| Nearest name | Grassy Green (#419C03) |
| Black text | 6.41:1 |
| White text | 3.27:1 |
Values
| HEX | #39A309 |
| RGB | rgb(57, 163, 9) |
| HSL | hsl(101, 90%, 34%) |
| OKLCH | oklch(62.9% 0.197 139.4) |
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 #39A309 | 3.27:1 | AA large text | Lc -65.0 | Content text, not long reading |
| Black text on #39A309 | 6.41:1 | AA | Lc 44.5 | Non-text elements, placeholder text |
| #39A309 text on white | 3.27:1 | AA large text | Lc 59.6 | Large or bold text, headings |
| #39A309 text on black | 6.41:1 | AA | Lc -42.2 | 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
#F1F8EF
oklch(97.1% 0.014 138.7)
-
Step 100
100
#E1EFDD
oklch(93.7% 0.028 138.7)
-
Step 200
200
#C7E2C1
oklch(88.4% 0.053 140)
-
Step 300
300
#A0D094
oklch(80.8% 0.097 139.4)
-
Step 400
400
#6AB755
oklch(70.7% 0.154 139.3)
-
Step 500
500 (this color)
#39A309
oklch(62.9% 0.197 139.4)
-
Step 600
600
#2D8A00
oklch(55.6% 0.177 139.4)
-
Step 700
700
#257400
oklch(49.1% 0.156 139.3)
-
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
#0C2F03
oklch(26.9% 0.081 139.7)
#39A309 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) | #A89300 | 0.132 |
| Deuteranopia (no green cones) | #9B8B24 | 0.129 |
| Tritanopia (no blue cones) | #2A9D8A | 0.135 |
| Achromatopsia (no color) | #8E8E8E | 0.198 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #39A309
#39A309
oklch(62.9% 0.197 139.4)
- #BA58D2
#BA58D2
oklch(62.9% 0.197 319.3)
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 #39A309, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grassy Green #419C03 ΔE 0.020
- Grass Green #3F9B0B ΔE 0.023
- Kelly Green #02AB2E ΔE 0.025
- Leaf Green #5CA904 ΔE 0.035
- Medium Green #39AD48 ΔE 0.043
- Grass #5CAC2D ΔE 0.045
- Mid Green #50A747 ΔE 0.046
- True Green #089404 ΔE 0.052
Use #39A309 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.