#399447
Closest named color: Fern Green (#548D44). oklch(59.3% 0.142 146.4), rgb(57, 148, 71).
Aa
Black text reads best on this color (5.50:1).
About this color
#399447 is a medium-dark, vivid green. In OKLCH its lightness is 59%, its chroma 0.142 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 0.028 away. Black text reads best on it, at 5.50:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.142) |
| Temperature | in between |
| Nearest name | Fern Green (#548D44) |
| Black text | 5.50:1 |
| White text | 3.81:1 |
Values
| HEX | #399447 |
| RGB | rgb(57, 148, 71) |
| HSL | hsl(129, 44%, 40%) |
| OKLCH | oklch(59.3% 0.142 146.4) |
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 #399447 | 3.81:1 | AA large text | Lc -70.9 | Content text, not long reading |
| Black text on #399447 | 5.50:1 | AA | Lc 38.7 | Non-text elements, placeholder text |
| #399447 text on white | 3.81:1 | AA large text | Lc 65.4 | Content text, not long reading |
| #399447 text on black | 5.50:1 | AA | Lc -36.3 | 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
#CBE0CC
oklch(88.6% 0.035 146.6)
-
Step 300
300
#A6CCA9
oklch(80.8% 0.063 147.1)
-
Step 400
400
#75B27A
oklch(70.7% 0.103 146.3)
-
Step 500
500
#4D9E57
oklch(63% 0.131 146.4)
-
Step 600
600 (this color)
#399447
oklch(59.3% 0.142 146.4)
-
Step 700
700
#1D742E
oklch(49.2% 0.133 146.3)
-
Step 800
800
#1B5E27
oklch(42.6% 0.109 146.4)
-
Step 900
900
#1E4D24
oklch(37.6% 0.085 146.1)
-
Step 950
950
#132D16
oklch(26.9% 0.053 146.4)
#399447 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) | #968740 | 0.111 |
| Deuteranopia (no green cones) | #8A7F4D | 0.110 |
| Tritanopia (no blue cones) | #249182 | 0.084 |
| Achromatopsia (no color) | #828282 | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #399447
#399447
oklch(59.3% 0.142 146.4)
- #A95DAB
#A95DAB
oklch(59.4% 0.142 326.2)
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 #399447, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Fern Green #548D44 ΔE 0.028
- Light Forest Green #4F9153 ΔE 0.028
- Kelley Green #009337 ΔE 0.031
- Sea Green #2E8B57 ΔE 0.039
- Irish Green #019529 ΔE 0.041
- Mossy Green #638B27 ΔE 0.043
- Sap Green #5C8B15 ΔE 0.043
- Moss Green #658B38 ΔE 0.043
Use #399447 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.