#39B5AD
Closest named color: Light Sea Green (#20B2AA). oklch(70.4% 0.107 188.8), rgb(57, 181, 173).
Aa
Black text reads best on this color (8.38:1).
About this color
#39B5AD is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 70%, its chroma 0.107 and its hue 189°. Its hue sits on the cool side of the wheel. The nearest named color is Light Sea Green (#20B2AA), ΔE 0.015 away. Black text reads best on it, at 8.38:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.107) |
| Temperature | cool |
| Nearest name | Light Sea Green (#20B2AA) |
| Black text | 8.38:1 |
| White text | 2.50:1 |
Values
| HEX | #39B5AD |
| RGB | rgb(57, 181, 173) |
| HSL | hsl(176, 52%, 47%) |
| OKLCH | oklch(70.4% 0.107 188.8) |
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 #39B5AD | 2.50:1 | Fails | Lc -53.9 | Large or bold text, headings |
| Black text on #39B5AD | 8.38:1 | AAA | Lc 55.2 | Large or bold text, headings |
| #39B5AD text on white | 2.50:1 | Fails | Lc 48.8 | Large or bold text, headings |
| #39B5AD text on black | 8.38:1 | AAA | Lc -53.2 | 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
#EFF7F6
oklch(97% 0.009 188.1)
-
Step 100
100
#DCEEEC
oklch(93.5% 0.019 188.8)
-
Step 200
200
#BEE2DE
oklch(88.6% 0.038 188.3)
-
Step 300
300
#8ECFC9
oklch(80.9% 0.067 188.7)
-
Step 400
400 (this color)
#39B5AD
oklch(70.4% 0.107 188.8)
-
Step 500
500
#009E97
oklch(63.1% 0.109 189.2)
-
Step 600
600
#00857F
oklch(55.6% 0.096 189.2)
-
Step 700
700
#00706A
oklch(49.1% 0.085 188.3)
-
Step 800
800
#005C57
oklch(42.8% 0.074 188.4)
-
Step 900
900
#004C48
oklch(37.6% 0.065 188.7)
-
Step 950
950
#002E2B
oklch(27.1% 0.047 188)
#39B5AD 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) | #ABABAD | 0.114 |
| Deuteranopia (no green cones) | #999EAE | 0.107 |
| Tritanopia (no blue cones) | #00BAB2 | 0.018 |
| Achromatopsia (no color) | #A4A4A4 | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #39B5AD
#39B5AD
oklch(70.4% 0.107 188.8)
- #D98392
#D98392
oklch(70.5% 0.107 8.9)
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 #39B5AD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Sea Green #20B2AA ΔE 0.015
- Topaz #13BBAF ΔE 0.019
- Greeny Blue #42B395 ΔE 0.033
- Turquoise Blue #06B1C4 ΔE 0.041
- Cadet Blue #5F9EA0 ΔE 0.064
- Tea #65AB7C ΔE 0.067
- Dull Teal #5F9E8F ΔE 0.067
- Green Blue #01C08D ΔE 0.067
Use #39B5AD 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.