#39C6BE
Closest named color: Dark Turquoise (#00CED1). oklch(75.2% 0.117 189.3), rgb(57, 198, 190).
Aa
Black text reads best on this color (9.99:1).
About this color
#39C6BE is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 75%, its chroma 0.117 and its hue 189°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Turquoise (#00CED1), ΔE 0.029 away. Black text reads best on it, at 9.99:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.117) |
| Temperature | cool |
| Nearest name | Dark Turquoise (#00CED1) |
| Black text | 9.99:1 |
| White text | 2.10:1 |
Values
| HEX | #39C6BE |
| RGB | rgb(57, 198, 190) |
| HSL | hsl(177, 55%, 50%) |
| OKLCH | oklch(75.2% 0.117 189.3) |
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 #39C6BE | 2.10:1 | Fails | Lc -45.3 | Large or bold text, headings |
| Black text on #39C6BE | 9.99:1 | AAA | Lc 63.2 | Content text, not long reading |
| #39C6BE text on white | 2.10:1 | Fails | Lc 40.7 | Non-text elements, placeholder text |
| #39C6BE text on black | 9.99:1 | AAA | Lc -61.5 | 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 400.
-
Step 50
50
#EFF8F7
oklch(97.2% 0.01 189.1)
-
Step 100
100
#DBEFED
oklch(93.7% 0.021 189.6)
-
Step 200
200
#BCE2DF
oklch(88.5% 0.04 190.6)
-
Step 300
300
#88D0CA
oklch(80.9% 0.073 189.2)
-
Step 400
400 (this color)
#39C6BE
oklch(75.2% 0.117 189.3)
-
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
#00706B
oklch(49.2% 0.085 189.4)
-
Step 800
800
#005C57
oklch(42.8% 0.074 188.4)
-
Step 900
900
#004C49
oklch(37.6% 0.065 190.2)
-
Step 950
950
#002E2B
oklch(27.1% 0.047 188)
#39C6BE 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) | #BBBBBE | 0.124 |
| Deuteranopia (no green cones) | #A6ADBF | 0.115 |
| Tritanopia (no blue cones) | #00CBC3 | 0.016 |
| Achromatopsia (no color) | #B3B3B3 | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #39C6BE
#39C6BE
oklch(75.2% 0.117 189.3)
- #EE8E9F
#EE8E9F
oklch(75.2% 0.118 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 #39C6BE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Turquoise #00CED1 ΔE 0.029
- Medium Turquoise #48D1CC ΔE 0.035
- Topaz #13BBAF ΔE 0.039
- Medium Aquamarine #66CDAA ΔE 0.048
- Pale Teal #82CBB2 ΔE 0.059
- Seafoam Blue #78D1B6 ΔE 0.059
- Light Sea Green #20B2AA ΔE 0.061
- Aqua Blue #02D8E9 ΔE 0.066
Use #39C6BE 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.