#399771
Closest named color: Ocean Green (#3D9973). oklch(61% 0.107 163.3), rgb(57, 151, 113).
Aa
Black text reads best on this color (5.83:1).
About this color
#399771 is a medium-dark, moderately saturated green. In OKLCH its lightness is 61%, its chroma 0.107 and its hue 163°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Ocean Green (#3D9973), ΔE 0.007 away. Black text reads best on it, at 5.83:1.
| Hue family | Greens |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.107) |
| Temperature | in between |
| Nearest name | Ocean Green (#3D9973) |
| Black text | 5.83:1 |
| White text | 3.59:1 |
Values
| HEX | #399771 |
| RGB | rgb(57, 151, 113) |
| HSL | hsl(156, 45%, 41%) |
| OKLCH | oklch(61% 0.107 163.3) |
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 #399771 | 3.59:1 | AA large text | Lc -68.8 | Content text, not long reading |
| Black text on #399771 | 5.83:1 | AA | Lc 40.8 | Non-text elements, placeholder text |
| #399771 text on white | 3.59:1 | AA large text | Lc 63.3 | Content text, not long reading |
| #399771 text on black | 5.83:1 | AA | Lc -38.4 | 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
#F1F7F4
oklch(97.1% 0.007 164.9)
-
Step 100
100
#E1EDE7
oklch(93.5% 0.015 164.7)
-
Step 200
200
#C9DFD4
oklch(88.4% 0.028 164.3)
-
Step 300
300
#A3CCB7
oklch(81% 0.053 162.7)
-
Step 400
400
#6EB192
oklch(70.7% 0.083 163.3)
-
Step 500
500 (this color)
#399771
oklch(61% 0.107 163.3)
-
Step 600
600
#108860
oklch(55.6% 0.116 163.4)
-
Step 700
700
#00734F
oklch(49.1% 0.106 163)
-
Step 800
800
#075E41
oklch(42.8% 0.089 163.3)
-
Step 900
900
#154D37
oklch(37.7% 0.069 163.2)
-
Step 950
950
#0E2D20
oklch(26.9% 0.044 163.2)
#399771 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) | #948D6F | 0.103 |
| Deuteranopia (no green cones) | #878373 | 0.100 |
| Tritanopia (no blue cones) | #00978D | 0.043 |
| Achromatopsia (no color) | #878787 | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #399771
#399771
oklch(61% 0.107 163.3)
- #AF6894
#AF6894
oklch(61% 0.107 342.9)
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 #399771, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean Green #3D9973 ΔE 0.007
- Viridian #1E9167 ΔE 0.028
- Light Forest Green #4F9153 ΔE 0.038
- Blue Green #0F9B8E ΔE 0.040
- Persian Green #2A9D8F ΔE 0.041
- Dusty Teal #4C9085 ΔE 0.045
- Slate Green #658D6D ΔE 0.045
- Sea Green #2E8B57 ΔE 0.046
Use #399771 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.