#39DAC4
Closest named color: Turquoise (#40E0D0). oklch(80.3% 0.132 181.4), rgb(57, 218, 196).
Aa
Black text reads best on this color (11.99:1).
About this color
#39DAC4 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 80%, its chroma 0.132 and its hue 181°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise (#40E0D0), ΔE 0.021 away. Black text reads best on it, at 11.99:1.
| Hue family | Teals and cyans |
| Lightness | light (80%) |
| Chroma | moderately saturated (0.132) |
| Temperature | cool |
| Nearest name | Turquoise (#40E0D0) |
| Black text | 11.99:1 |
| White text | 1.75:1 |
Values
| HEX | #39DAC4 |
| RGB | rgb(57, 218, 196) |
| HSL | hsl(172, 69%, 54%) |
| OKLCH | oklch(80.3% 0.132 181.4) |
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 #39DAC4 | 1.75:1 | Fails | Lc -35.4 | Non-text elements, placeholder text |
| Black text on #39DAC4 | 11.99:1 | AAA | Lc 72.4 | Content text, not long reading |
| #39DAC4 text on white | 1.75:1 | Fails | Lc 31.5 | Non-text elements, placeholder text |
| #39DAC4 text on black | 11.99:1 | AAA | Lc -71.2 | Content text, not long reading |
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 300.
-
Step 50
50
#E9FAF6
oklch(97.1% 0.019 180.3)
-
Step 100
100
#CFF3EB
oklch(93.6% 0.039 180.5)
-
Step 200
200
#A2EADC
oklch(88.6% 0.074 181)
-
Step 300
300 (this color)
#39DAC4
oklch(80.3% 0.132 181.4)
-
Step 400
400
#00BAA6
oklch(70.8% 0.127 181.5)
-
Step 500
500
#009F8E
oklch(63% 0.113 181.8)
-
Step 600
600
#008677
oklch(55.6% 0.1 181.4)
-
Step 700
700
#007164
oklch(49.2% 0.089 181.2)
-
Step 800
800
#005C52
oklch(42.6% 0.076 182.2)
-
Step 900
900
#004D44
oklch(37.7% 0.068 181.7)
-
Step 950
950
#002E28
oklch(27% 0.049 181.5)
#39DAC4 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) | #D0CDC3 | 0.140 |
| Deuteranopia (no green cones) | #BABDC6 | 0.133 |
| Tritanopia (no blue cones) | #00DED3 | 0.021 |
| Achromatopsia (no color) | #C4C4C4 | 0.133 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #39DAC4
#39DAC4
oklch(80.3% 0.132 181.4)
- #FF9DB9
#FF9DB9
oklch(80.3% 0.121 1.7)
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 #39DAC4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise #40E0D0 ΔE 0.021
- Medium Turquoise #48D1CC ΔE 0.032
- Seafoam Blue #78D1B6 ΔE 0.042
- Medium Aquamarine #66CDAA ΔE 0.043
- Aqua Marine #2EE8BB ΔE 0.045
- Dark Turquoise #00CED1 ΔE 0.047
- Emerald #06D6A0 ΔE 0.053
- Aqua Blue #02D8E9 ΔE 0.055
Use #39DAC4 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.