#399144
Closest named color: Fern Green (#548D44). oklch(58.5% 0.141 145.8), rgb(57, 145, 68).
Aa
Black text reads best on this color (5.30:1).
About this color
#399144 is a medium-dark, vivid green. In OKLCH its lightness is 58%, its chroma 0.141 and its hue 146°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Fern Green (#548D44), ΔE 0.025 away. Black text reads best on it, at 5.30:1.
| Hue family | Greens |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.141) |
| Temperature | in between |
| Nearest name | Fern Green (#548D44) |
| Black text | 5.30:1 |
| White text | 3.95:1 |
Values
| HEX | #399144 |
| RGB | rgb(57, 145, 68) |
| HSL | hsl(128, 44%, 40%) |
| OKLCH | oklch(58.5% 0.141 145.8) |
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 #399144 | 3.95:1 | AA large text | Lc -72.1 | Content text, not long reading |
| Black text on #399144 | 5.30:1 | AA | Lc 37.5 | Non-text elements, placeholder text |
| #399144 text on white | 3.95:1 | AA large text | Lc 66.6 | Content text, not long reading |
| #399144 text on black | 5.30:1 | AA | Lc -35.0 | 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 600.
-
Step 50
50
#F2F7F2
oklch(97.1% 0.008 145.5)
-
Step 100
100
#E2EDE3
oklch(93.5% 0.018 148.1)
-
Step 200
200
#CBE0CB
oklch(88.5% 0.036 145.3)
-
Step 300
300
#A7CCA8
oklch(80.9% 0.064 145.7)
-
Step 400
400
#76B27A
oklch(70.8% 0.102 146)
-
Step 500
500
#509E57
oklch(63.2% 0.13 145.7)
-
Step 600
600 (this color)
#399144
oklch(58.5% 0.141 145.8)
-
Step 700
700
#20732D
oklch(49% 0.131 145.7)
-
Step 800
800
#1E5E27
oklch(42.7% 0.108 145.8)
-
Step 900
900
#1F4D24
oklch(37.7% 0.085 145.8)
-
Step 950
950
#132D16
oklch(26.9% 0.053 146.4)
#399144 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) | #93853D | 0.108 |
| Deuteranopia (no green cones) | #887D4A | 0.108 |
| Tritanopia (no blue cones) | #268E7F | 0.084 |
| Achromatopsia (no color) | #808080 | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #399144
#399144
oklch(58.5% 0.141 145.8)
- #A55BA8
#A55BA8
oklch(58.5% 0.14 325.8)
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 #399144, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Fern Green #548D44 ΔE 0.025
- Light Forest Green #4F9153 ΔE 0.029
- Kelley Green #009337 ΔE 0.030
- Sea Green #2E8B57 ΔE 0.034
- Forest Green #228B22 ΔE 0.040
- Sap Green #5C8B15 ΔE 0.040
- Irish Green #019529 ΔE 0.041
- Mossy Green #638B27 ΔE 0.041
Use #399144 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.