#399E28
Closest named color: Grass Green (#3F9B0B). oklch(61.7% 0.179 141.1), rgb(57, 158, 40).
Aa
Black text reads best on this color (6.09:1).
About this color
#399E28 is a medium-dark, vivid green. In OKLCH its lightness is 62%, its chroma 0.179 and its hue 141°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grass Green (#3F9B0B), ΔE 0.013 away. Black text reads best on it, at 6.09:1.
| Hue family | Greens |
| Lightness | medium-dark (62%) |
| Chroma | vivid (0.179) |
| Temperature | in between |
| Nearest name | Grass Green (#3F9B0B) |
| Black text | 6.09:1 |
| White text | 3.44:1 |
Values
| HEX | #399E28 |
| RGB | rgb(57, 158, 40) |
| HSL | hsl(111, 60%, 39%) |
| OKLCH | oklch(61.7% 0.179 141.1) |
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 #399E28 | 3.44:1 | AA large text | Lc -67.0 | Content text, not long reading |
| Black text on #399E28 | 6.09:1 | AA | Lc 42.5 | Non-text elements, placeholder text |
| #399E28 text on white | 3.44:1 | AA large text | Lc 61.6 | Content text, not long reading |
| #399E28 text on black | 6.09:1 | AA | Lc -40.1 | 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
#F1F8F0
oklch(97.2% 0.013 141.8)
-
Step 100
100
#E1EEDF
oklch(93.5% 0.024 141.5)
-
Step 200
200
#C8E2C4
oklch(88.6% 0.049 141.4)
-
Step 300
300
#A2CF9A
oklch(80.9% 0.087 140.8)
-
Step 400
400
#6CB660
oklch(70.7% 0.141 141)
-
Step 500
500 (this color)
#399E28
oklch(61.7% 0.179 141.1)
-
Step 600
600
#1D8B00
oklch(55.5% 0.183 141.1)
-
Step 700
700
#177500
oklch(49% 0.162 141.1)
-
Step 800
800
#116000
oklch(42.6% 0.141 141.1)
-
Step 900
900
#135008
oklch(37.8% 0.117 141.1)
-
Step 950
950
#0E2F08
oklch(27.1% 0.075 140.8)
#399E28 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) | #A28F11 | 0.123 |
| Deuteranopia (no green cones) | #968734 | 0.124 |
| Tritanopia (no blue cones) | #289987 | 0.118 |
| Achromatopsia (no color) | #8A8A8A | 0.180 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #399E28
#399E28
oklch(61.7% 0.179 141.1)
- #B45AC5
#B45AC5
oklch(61.7% 0.179 321.1)
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 #399E28, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grass Green #3F9B0B ΔE 0.013
- Grassy Green #419C03 ΔE 0.014
- Irish Green #019529 ΔE 0.037
- Kelly Green #02AB2E ΔE 0.038
- Mid Green #50A747 ΔE 0.042
- True Green #089404 ΔE 0.042
- Kelley Green #009337 ΔE 0.045
- Medium Green #39AD48 ΔE 0.046
Use #399E28 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.