#39B17A
Closest named color: Dark Seafoam Green (#3EAF76). oklch(68% 0.134 159.3), rgb(57, 177, 122).
Aa
Black text reads best on this color (7.74:1).
About this color
#39B17A is a medium-light, moderately saturated green. In OKLCH its lightness is 68%, its chroma 0.134 and its hue 159°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Seafoam Green (#3EAF76), ΔE 0.006 away. Black text reads best on it, at 7.74:1.
| Hue family | Greens |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.134) |
| Temperature | in between |
| Nearest name | Dark Seafoam Green (#3EAF76) |
| Black text | 7.74:1 |
| White text | 2.71:1 |
Values
| HEX | #39B17A |
| RGB | rgb(57, 177, 122) |
| HSL | hsl(153, 51%, 46%) |
| OKLCH | oklch(68% 0.134 159.3) |
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 #39B17A | 2.71:1 | Fails | Lc -57.4 | Large or bold text, headings |
| Black text on #39B17A | 7.74:1 | AAA | Lc 51.8 | Large or bold text, headings |
| #39B17A text on white | 2.71:1 | Fails | Lc 52.2 | Large or bold text, headings |
| #39B17A text on black | 7.74:1 | AAA | Lc -49.7 | 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
#DDEFE4
oklch(93.6% 0.024 159.1)
-
Step 200
200
#C0E3CE
oklch(88.5% 0.047 159)
-
Step 300
300
#91D2AD
oklch(81% 0.085 158.8)
-
Step 400
400 (this color)
#39B17A
oklch(68% 0.134 159.3)
-
Step 500
500
#00A369
oklch(63.1% 0.144 159.3)
-
Step 600
600
#008958
oklch(55.6% 0.127 159.5)
-
Step 700
700
#007349
oklch(49% 0.112 159.4)
-
Step 800
800
#005F3B
oklch(42.8% 0.098 159.1)
-
Step 900
900
#004F31
oklch(37.7% 0.086 159.7)
-
Step 950
950
#002F1B
oklch(26.9% 0.062 159.3)
#39B17A 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) | #AFA477 | 0.126 |
| Deuteranopia (no green cones) | #9F997E | 0.121 |
| Tritanopia (no blue cones) | #00B0A2 | 0.058 |
| Achromatopsia (no color) | #9D9D9D | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #39B17A
#39B17A
oklch(68% 0.134 159.3)
- #CE75B3
#CE75B3
oklch(68% 0.135 339.5)
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 #39B17A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Seafoam Green #3EAF76 ΔE 0.006
- Bluey Green #2BB179 ΔE 0.007
- Dark Seafoam #1FB57A ΔE 0.014
- Medium Sea Green #3CB371 ΔE 0.015
- Green Teal #0CB577 ΔE 0.019
- Seaweed Green #35AD6B ΔE 0.021
- Jade Green #2BAF6A ΔE 0.023
- Algae #54AC68 ΔE 0.025
Use #39B17A 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.