#39A437
Closest named color: Mid Green (#50A747). oklch(63.5% 0.177 142.9), rgb(57, 164, 55).
Aa
Black text reads best on this color (6.53:1).
About this color
#39A437 is a medium-light, vivid green. In OKLCH its lightness is 63%, its chroma 0.177 and its hue 143°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Mid Green (#50A747), ΔE 0.026 away. Black text reads best on it, at 6.53:1.
| Hue family | Greens |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.177) |
| Temperature | in between |
| Nearest name | Mid Green (#50A747) |
| Black text | 6.53:1 |
| White text | 3.21:1 |
Values
| HEX | #39A437 |
| RGB | rgb(57, 164, 55) |
| HSL | hsl(119, 50%, 43%) |
| OKLCH | oklch(63.5% 0.177 142.9) |
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 #39A437 | 3.21:1 | AA large text | Lc -64.3 | Content text, not long reading |
| Black text on #39A437 | 6.53:1 | AA | Lc 45.1 | Large or bold text, headings |
| #39A437 text on white | 3.21:1 | AA large text | Lc 58.9 | Large or bold text, headings |
| #39A437 text on black | 6.53:1 | AA | Lc -42.8 | 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
#E1EEDF
oklch(93.5% 0.024 141.5)
-
Step 200
200
#C7E2C5
oklch(88.5% 0.049 143.3)
-
Step 300
300
#A0CF9C
oklch(80.8% 0.086 142.8)
-
Step 400
400
#69B665
oklch(70.7% 0.138 142.9)
-
Step 500
500 (this color)
#39A437
oklch(63.5% 0.177 142.9)
-
Step 600
600
#008C09
oklch(55.5% 0.186 142.9)
-
Step 700
700
#007606
oklch(49% 0.165 142.9)
-
Step 800
800
#006104
oklch(42.7% 0.144 142.9)
-
Step 900
900
#0E500E
oklch(37.7% 0.116 142.8)
-
Step 950
950
#0C2F0B
oklch(27% 0.073 142.8)
#39A437 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) | #A89529 | 0.127 |
| Deuteranopia (no green cones) | #9B8C41 | 0.128 |
| Tritanopia (no blue cones) | #229F8E | 0.114 |
| Achromatopsia (no color) | #909090 | 0.178 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #39A437
#39A437
oklch(63.5% 0.177 142.9)
- #BC5FC8
#BC5FC8
oklch(63.5% 0.178 322.9)
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 #39A437, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Green #50A747 ΔE 0.026
- Medium Green #39AD48 ΔE 0.027
- Kelly Green #02AB2E ΔE 0.028
- Grassy Green #419C03 ΔE 0.029
- Grass Green #3F9B0B ΔE 0.030
- Leaf Green #5CA904 ΔE 0.039
- Grass #5CAC2D ΔE 0.039
- Shamrock #01B44C ΔE 0.044
Use #39A437 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.