#39C4C7
Closest named color: Dark Turquoise (#00CED1). oklch(75% 0.115 197.1), rgb(57, 196, 199).
Aa
Black text reads best on this color (9.89:1).
About this color
#39C4C7 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 75%, its chroma 0.115 and its hue 197°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Turquoise (#00CED1), ΔE 0.028 away. Black text reads best on it, at 9.89:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.115) |
| Temperature | cool |
| Nearest name | Dark Turquoise (#00CED1) |
| Black text | 9.89:1 |
| White text | 2.12:1 |
Values
| HEX | #39C4C7 |
| RGB | rgb(57, 196, 199) |
| HSL | hsl(181, 56%, 50%) |
| OKLCH | oklch(75% 0.115 197.1) |
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 #39C4C7 | 2.12:1 | Fails | Lc -45.8 | Large or bold text, headings |
| Black text on #39C4C7 | 9.89:1 | AAA | Lc 62.7 | Content text, not long reading |
| #39C4C7 text on white | 2.12:1 | Fails | Lc 41.2 | Non-text elements, placeholder text |
| #39C4C7 text on black | 9.89:1 | AAA | Lc -61.0 | 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
#EFF8F8
oklch(97.2% 0.01 197)
-
Step 100
100
#DBEEEF
oklch(93.5% 0.02 200.6)
-
Step 200
200
#BCE2E2
oklch(88.6% 0.04 196.5)
-
Step 300
300
#88CFD1
oklch(80.8% 0.071 198.1)
-
Step 400
400 (this color)
#39C4C7
oklch(75% 0.115 197.1)
-
Step 500
500
#009DA0
oklch(63.1% 0.107 197.2)
-
Step 600
600
#008486
oklch(55.6% 0.095 196.7)
-
Step 700
700
#006F71
oklch(49.1% 0.084 197)
-
Step 800
800
#005B5D
oklch(42.7% 0.073 197.4)
-
Step 900
900
#004C4D
oklch(37.8% 0.064 196.3)
-
Step 950
950
#002D2E
oklch(27% 0.046 197.1)
#39C4C7 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) | #B6BBC7 | 0.118 |
| Deuteranopia (no green cones) | #A2ABC8 | 0.111 |
| Tritanopia (no blue cones) | #00CBC5 | 0.023 |
| Achromatopsia (no color) | #B2B2B2 | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #39C4C7
#39C4C7
oklch(75% 0.115 197.1)
- #ED8F94
#ED8F94
oklch(74.9% 0.114 16.7)
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 #39C4C7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Turquoise #00CED1 ΔE 0.028
- Medium Turquoise #48D1CC ΔE 0.038
- Topaz #13BBAF ΔE 0.043
- Turquoise Blue #06B1C4 ΔE 0.059
- Medium Aquamarine #66CDAA ΔE 0.061
- Light Sea Green #20B2AA ΔE 0.061
- Vivid Sky Blue #4CC9F0 ΔE 0.061
- Aqua Blue #02D8E9 ΔE 0.062
Use #39C4C7 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.