#39B17E
Closest named color: Dark Seafoam Green (#3EAF76). oklch(68.1% 0.131 161.1), rgb(57, 177, 126).
Aa
Black text reads best on this color (7.76:1).
About this color
#39B17E is a medium-light, moderately saturated green. In OKLCH its lightness is 68%, its chroma 0.131 and its hue 161°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Seafoam Green (#3EAF76), ΔE 0.010 away. Black text reads best on it, at 7.76:1.
| Hue family | Greens |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.131) |
| Temperature | in between |
| Nearest name | Dark Seafoam Green (#3EAF76) |
| Black text | 7.76:1 |
| White text | 2.70:1 |
Values
| HEX | #39B17E |
| RGB | rgb(57, 177, 126) |
| HSL | hsl(155, 51%, 46%) |
| OKLCH | oklch(68.1% 0.131 161.1) |
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 #39B17E | 2.70:1 | Fails | Lc -57.3 | Large or bold text, headings |
| Black text on #39B17E | 7.76:1 | AAA | Lc 51.9 | Large or bold text, headings |
| #39B17E text on white | 2.70:1 | Fails | Lc 52.1 | Large or bold text, headings |
| #39B17E text on black | 7.76:1 | AAA | Lc -49.8 | 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
#EFF8F3
oklch(97.1% 0.012 162.1)
-
Step 100
100
#DDEFE5
oklch(93.6% 0.023 161.7)
-
Step 200
200
#C0E3D0
oklch(88.5% 0.045 161.6)
-
Step 300
300
#91D1B0
oklch(80.8% 0.08 161.4)
-
Step 400
400 (this color)
#39B17E
oklch(68.1% 0.131 161.1)
-
Step 500
500
#00A36D
oklch(63.2% 0.141 160.9)
-
Step 600
600
#00895B
oklch(55.6% 0.124 161)
-
Step 700
700
#00734C
oklch(49.1% 0.109 161.2)
-
Step 800
800
#005E3E
oklch(42.6% 0.094 161.6)
-
Step 900
900
#004F33
oklch(37.8% 0.084 161.3)
-
Step 950
950
#002F1D
oklch(27% 0.059 161.7)
#39B17E 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) | #AFA47B | 0.125 |
| Deuteranopia (no green cones) | #9F9981 | 0.121 |
| Tritanopia (no blue cones) | #00B0A3 | 0.054 |
| Achromatopsia (no color) | #9D9D9D | 0.132 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #39B17E
#39B17E
oklch(68.1% 0.131 161.1)
- #CE76B0
#CE76B0
oklch(68% 0.131 341.2)
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 #39B17E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Seafoam Green #3EAF76 ΔE 0.010
- Bluey Green #2BB179 ΔE 0.011
- Dark Seafoam #1FB57A ΔE 0.017
- Medium Sea Green #3CB371 ΔE 0.020
- Green Teal #0CB577 ΔE 0.023
- Seaweed Green #35AD6B ΔE 0.026
- Jade Green #2BAF6A ΔE 0.028
- Algae #54AC68 ΔE 0.029
Use #39B17E 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.