#399A34
Closest named color: Grass Green (#3F9B0B). oklch(60.7% 0.167 142.5), rgb(57, 154, 52).
Aa
Black text reads best on this color (5.84:1).
About this color
#399A34 is a medium-dark, vivid green. In OKLCH its lightness is 61%, its chroma 0.167 and its hue 142°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grass Green (#3F9B0B), ΔE 0.023 away. Black text reads best on it, at 5.84:1.
| Hue family | Greens |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.167) |
| Temperature | in between |
| Nearest name | Grass Green (#3F9B0B) |
| Black text | 5.84:1 |
| White text | 3.59:1 |
Values
| HEX | #399A34 |
| RGB | rgb(57, 154, 52) |
| HSL | hsl(117, 50%, 40%) |
| OKLCH | oklch(60.7% 0.167 142.5) |
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 #399A34 | 3.59:1 | AA large text | Lc -68.6 | Content text, not long reading |
| Black text on #399A34 | 5.84:1 | AA | Lc 40.9 | Non-text elements, placeholder text |
| #399A34 text on white | 3.59:1 | AA large text | Lc 63.1 | Content text, not long reading |
| #399A34 text on black | 5.84:1 | AA | Lc -38.5 | 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
#F1F7F1
oklch(97% 0.01 145.5)
-
Step 100
100
#E1EEE0
oklch(93.6% 0.023 143.4)
-
Step 200
200
#C9E1C6
oklch(88.5% 0.045 142.1)
-
Step 300
300
#A3CF9E
oklch(81% 0.082 142.2)
-
Step 400
400
#6EB568
oklch(70.7% 0.13 142.4)
-
Step 500
500 (this color)
#399A34
oklch(60.7% 0.167 142.5)
-
Step 600
600
#148C11
oklch(55.7% 0.181 142.5)
-
Step 700
700
#017600
oklch(49% 0.167 142.4)
-
Step 800
800
#0A6008
oklch(42.6% 0.139 142.5)
-
Step 900
900
#154F13
oklch(37.7% 0.108 142.6)
-
Step 950
950
#0F2E0D
oklch(26.9% 0.068 142.4)
#399A34 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) | #9D8C27 | 0.118 |
| Deuteranopia (no green cones) | #92843D | 0.119 |
| Tritanopia (no blue cones) | #279585 | 0.108 |
| Achromatopsia (no color) | #878787 | 0.167 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #399A34
#399A34
oklch(60.7% 0.167 142.5)
- #B05ABC
#B05ABC
oklch(60.7% 0.168 322.6)
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 #399A34, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grass Green #3F9B0B ΔE 0.023
- Grassy Green #419C03 ΔE 0.026
- Irish Green #019529 ΔE 0.030
- Kelley Green #009337 ΔE 0.033
- True Green #089404 ΔE 0.040
- Emerald Green #028F1E ΔE 0.045
- Mid Green #50A747 ΔE 0.046
- Sap Green #5C8B15 ΔE 0.046
Use #399A34 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.