#39B186
Closest named color: Dark Seafoam Green (#3EAF76). oklch(68.3% 0.124 165.1), rgb(57, 177, 134).
Aa
Black text reads best on this color (7.80:1).
About this color
#39B186 is a medium-light, moderately saturated green. In OKLCH its lightness is 68%, its chroma 0.124 and its hue 165°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Seafoam Green (#3EAF76), ΔE 0.021 away. Black text reads best on it, at 7.80:1.
| Hue family | Greens |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.124) |
| Temperature | in between |
| Nearest name | Dark Seafoam Green (#3EAF76) |
| Black text | 7.80:1 |
| White text | 2.68:1 |
Values
| HEX | #39B186 |
| RGB | rgb(57, 177, 134) |
| HSL | hsl(159, 51%, 46%) |
| OKLCH | oklch(68.3% 0.124 165.1) |
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 #39B186 | 2.68:1 | Fails | Lc -57.1 | Large or bold text, headings |
| Black text on #39B186 | 7.80:1 | AAA | Lc 52.2 | Large or bold text, headings |
| #39B186 text on white | 2.68:1 | Fails | Lc 51.9 | Large or bold text, headings |
| #39B186 text on black | 7.80:1 | AAA | Lc -50.0 | Large or bold text, headings |
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 400.
-
Step 50
50
#EFF8F4
oklch(97.1% 0.011 167.8)
-
Step 100
100
#DDEFE6
oklch(93.6% 0.022 164.5)
-
Step 200
200
#C0E3D2
oklch(88.6% 0.043 164.5)
-
Step 300
300
#90D1B4
oklch(80.9% 0.078 165)
-
Step 400
400 (this color)
#39B186
oklch(68.3% 0.124 165.1)
-
Step 500
500
#00A275
oklch(63.1% 0.133 165)
-
Step 600
600
#008862
oklch(55.5% 0.117 165.2)
-
Step 700
700
#007352
oklch(49.2% 0.104 164.9)
-
Step 800
800
#005E43
oklch(42.7% 0.089 165.5)
-
Step 900
900
#004E37
oklch(37.6% 0.079 165.5)
-
Step 950
950
#002F1F
oklch(27% 0.057 164.4)
#39B186 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) | #ADA584 | 0.122 |
| Deuteranopia (no green cones) | #9D9989 | 0.118 |
| Tritanopia (no blue cones) | #00B1A5 | 0.045 |
| Achromatopsia (no color) | #9E9E9E | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #39B186
#39B186
oklch(68.3% 0.124 165.1)
- #CF78AB
#CF78AB
oklch(68.3% 0.125 344.8)
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 #39B186, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Seafoam Green #3EAF76 ΔE 0.021
- Bluey Green #2BB179 ΔE 0.021
- Greeny Blue #42B395 ΔE 0.022
- Dark Seafoam #1FB57A ΔE 0.026
- Medium Sea Green #3CB371 ΔE 0.031
- Green Teal #0CB577 ΔE 0.032
- Tea #65AB7C ΔE 0.033
- Seaweed Green #35AD6B ΔE 0.036
Use #39B186 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.