#399170
Closest named color: Viridian (#1E9167). oklch(59.4% 0.099 165.3), rgb(57, 145, 112).
Aa
Black text reads best on this color (5.45:1).
About this color
#399170 is a medium-dark, moderately saturated green. In OKLCH its lightness is 59%, its chroma 0.099 and its hue 165°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Viridian (#1E9167), ΔE 0.022 away. Black text reads best on it, at 5.45:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.099) |
| Temperature | in between |
| Nearest name | Viridian (#1E9167) |
| Black text | 5.45:1 |
| White text | 3.84:1 |
Values
| HEX | #399170 |
| RGB | rgb(57, 145, 112) |
| HSL | hsl(158, 44%, 40%) |
| OKLCH | oklch(59.4% 0.099 165.3) |
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 #399170 | 3.84:1 | AA large text | Lc -71.2 | Content text, not long reading |
| Black text on #399170 | 5.45:1 | AA | Lc 38.4 | Non-text elements, placeholder text |
| #399170 text on white | 3.84:1 | AA large text | Lc 65.7 | Content text, not long reading |
| #399170 text on black | 5.45:1 | AA | Lc -36.0 | 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 500.
-
Step 50
50
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E2EDE7
oklch(93.6% 0.014 162.5)
-
Step 200
200
#CADFD5
oklch(88.5% 0.026 165.6)
-
Step 300
300
#A4CBB9
oklch(80.9% 0.049 165.4)
-
Step 400
400
#71B095
oklch(70.7% 0.077 165.4)
-
Step 500
500 (this color)
#399170
oklch(59.4% 0.099 165.3)
-
Step 600
600
#1D8764
oklch(55.7% 0.108 165.4)
-
Step 700
700
#0A7253
oklch(49.1% 0.1 165.7)
-
Step 800
800
#115D44
oklch(42.7% 0.082 165.5)
-
Step 900
900
#184C39
oklch(37.6% 0.064 165.5)
-
Step 950
950
#102D22
oklch(27.1% 0.041 166.1)
#399170 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) | #8E876E | 0.098 |
| Deuteranopia (no green cones) | #827E72 | 0.095 |
| Tritanopia (no blue cones) | #029188 | 0.038 |
| Achromatopsia (no color) | #828282 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #399170
#399170
oklch(59.4% 0.099 165.3)
- #A8658C
#A8658C
oklch(59.3% 0.1 344.7)
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 #399170, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Viridian #1E9167 ΔE 0.022
- Ocean Green #3D9973 ΔE 0.024
- Sea Green #2E8B57 ΔE 0.038
- Dusty Teal #4C9085 ΔE 0.038
- Light Forest Green #4F9153 ΔE 0.040
- Slate Green #658D6D ΔE 0.041
- Blue Green #0F9B8E ΔE 0.044
- Dark Sage #598556 ΔE 0.044
Use #399170 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.