#39B9AA
Closest named color: Topaz (#13BBAF). oklch(71.3% 0.111 183.8), rgb(57, 185, 170).
Aa
Black text reads best on this color (8.69:1).
About this color
#39B9AA is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 71%, its chroma 0.111 and its hue 184°. Its hue sits on the cool side of the wheel. The nearest named color is Topaz (#13BBAF), ΔE 0.013 away. Black text reads best on it, at 8.69:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.111) |
| Temperature | cool |
| Nearest name | Topaz (#13BBAF) |
| Black text | 8.69:1 |
| White text | 2.41:1 |
Values
| HEX | #39B9AA |
| RGB | rgb(57, 185, 170) |
| HSL | hsl(173, 53%, 47%) |
| OKLCH | oklch(71.3% 0.111 183.8) |
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 #39B9AA | 2.41:1 | Fails | Lc -52.2 | Large or bold text, headings |
| Black text on #39B9AA | 8.69:1 | AAA | Lc 56.8 | Large or bold text, headings |
| #39B9AA text on white | 2.41:1 | Fails | Lc 47.2 | Large or bold text, headings |
| #39B9AA text on black | 8.69:1 | AAA | Lc -54.8 | 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
#EFF8F6
oklch(97.2% 0.01 181.4)
-
Step 100
100
#DCEFEB
oklch(93.7% 0.021 181.9)
-
Step 200
200
#BEE2DC
oklch(88.5% 0.039 184.3)
-
Step 300
300
#8DD0C5
oklch(81% 0.07 183.1)
-
Step 400
400 (this color)
#39B9AA
oklch(71.3% 0.111 183.8)
-
Step 500
500
#009F91
oklch(63.1% 0.112 184)
-
Step 600
600
#008679
oklch(55.7% 0.099 183.1)
-
Step 700
700
#007066
oklch(49% 0.087 184.2)
-
Step 800
800
#005C53
oklch(42.6% 0.076 183.4)
-
Step 900
900
#004D45
oklch(37.7% 0.067 183.1)
-
Step 950
950
#002E29
oklch(27.1% 0.048 183.6)
#39B9AA 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) | #B0AFAA | 0.118 |
| Deuteranopia (no green cones) | #9EA1AB | 0.112 |
| Tritanopia (no blue cones) | #00BDB4 | 0.018 |
| Achromatopsia (no color) | #A7A7A7 | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #39B9AA
#39B9AA
oklch(71.3% 0.111 183.8)
- #DD849B
#DD849B
oklch(71.4% 0.112 3.6)
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 #39B9AA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Topaz #13BBAF ΔE 0.013
- Light Sea Green #20B2AA ΔE 0.025
- Greeny Blue #42B395 ΔE 0.029
- Turquoise Blue #06B1C4 ΔE 0.053
- Green Blue #01C08D ΔE 0.055
- Greenblue #23C48B ΔE 0.064
- Tea #65AB7C ΔE 0.064
- Dark Turquoise #00CED1 ΔE 0.068
Use #39B9AA 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.