#39DBD0
Closest named color: Turquoise (#40E0D0). oklch(80.9% 0.129 188), rgb(57, 219, 208).
Aa
Black text reads best on this color (12.21:1).
About this color
#39DBD0 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 81%, its chroma 0.129 and its hue 188°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise (#40E0D0), ΔE 0.015 away. Black text reads best on it, at 12.21:1.
| Hue family | Teals and cyans |
| Lightness | light (81%) |
| Chroma | moderately saturated (0.129) |
| Temperature | cool |
| Nearest name | Turquoise (#40E0D0) |
| Black text | 12.21:1 |
| White text | 1.71:1 |
Values
| HEX | #39DBD0 |
| RGB | rgb(57, 219, 208) |
| HSL | hsl(176, 69%, 54%) |
| OKLCH | oklch(80.9% 0.129 188) |
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 #39DBD0 | 1.71:1 | Fails | Lc -34.3 | Non-text elements, placeholder text |
| Black text on #39DBD0 | 12.21:1 | AAA | Lc 73.3 | Content text, not long reading |
| #39DBD0 text on white | 1.71:1 | Fails | Lc 30.5 | Non-text elements, placeholder text |
| #39DBD0 text on black | 12.21:1 | AAA | Lc -72.3 | 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
#E9F9F7
oklch(97% 0.017 187.9)
-
Step 100
100
#CFF2EE
oklch(93.5% 0.037 188.1)
-
Step 200
200
#A2E9E2
oklch(88.5% 0.071 188.2)
-
Step 300
300 (this color)
#39DBD0
oklch(80.9% 0.129 188)
-
Step 400
400
#00B9AF
oklch(70.8% 0.123 188)
-
Step 500
500
#009E96
oklch(63% 0.109 188.5)
-
Step 600
600
#00857E
oklch(55.6% 0.097 188.3)
-
Step 700
700
#00706A
oklch(49.1% 0.085 188.3)
-
Step 800
800
#005C56
oklch(42.8% 0.075 187.1)
-
Step 900
900
#004D48
oklch(37.8% 0.066 187.3)
-
Step 950
950
#002E2B
oklch(27.1% 0.047 188)
#39DBD0 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) | #CFCFD0 | 0.137 |
| Deuteranopia (no green cones) | #B8BED2 | 0.130 |
| Tritanopia (no blue cones) | #00E1D7 | 0.017 |
| Achromatopsia (no color) | #C5C5C5 | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #39DBD0
#39DBD0
oklch(80.9% 0.129 188)
- #FFA2B3
#FFA2B3
oklch(81% 0.112 8)
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 #39DBD0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise #40E0D0 ΔE 0.015
- Medium Turquoise #48D1CC ΔE 0.027
- Aqua Blue #02D8E9 ΔE 0.040
- Dark Turquoise #00CED1 ΔE 0.042
- Seafoam Blue #78D1B6 ΔE 0.047
- Aqua Marine #2EE8BB ΔE 0.054
- Medium Aquamarine #66CDAA ΔE 0.055
- Pale Teal #82CBB2 ΔE 0.061
Use #39DBD0 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.