#39E1E2
Closest named color: Turquoise (#40E0D0). oklch(82.9% 0.131 195.5), rgb(57, 225, 226).
Aa
Black text reads best on this color (13.04:1).
About this color
#39E1E2 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 83%, its chroma 0.131 and its hue 196°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise (#40E0D0), ΔE 0.025 away. Black text reads best on it, at 13.04:1.
| Hue family | Teals and cyans |
| Lightness | light (83%) |
| Chroma | moderately saturated (0.131) |
| Temperature | cool |
| Nearest name | Turquoise (#40E0D0) |
| Black text | 13.04:1 |
| White text | 1.61:1 |
Values
| HEX | #39E1E2 |
| RGB | rgb(57, 225, 226) |
| HSL | hsl(180, 74%, 55%) |
| OKLCH | oklch(82.9% 0.131 195.5) |
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 #39E1E2 | 1.61:1 | Fails | Lc -30.4 | Non-text elements, placeholder text |
| Black text on #39E1E2 | 13.04:1 | AAA | Lc 76.8 | Fine for body text |
| #39E1E2 text on white | 1.61:1 | Fails | Lc 27.0 | Dividers and decoration only |
| #39E1E2 text on black | 13.04:1 | AAA | Lc -76.0 | Fine for body text |
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
#E9F9F9
oklch(97% 0.017 196.9)
-
Step 100
100
#CEF2F2
oklch(93.6% 0.037 196.5)
-
Step 200
200
#9FE9E8
oklch(88.5% 0.073 194.8)
-
Step 300
300 (this color)
#39E1E2
oklch(82.9% 0.131 195.5)
-
Step 400
400
#00B7B8
oklch(70.6% 0.12 195.5)
-
Step 500
500
#009D9E
oklch(63.1% 0.108 195.6)
-
Step 600
600
#008485
oklch(55.6% 0.095 195.7)
-
Step 700
700
#006F70
oklch(49.1% 0.084 195.9)
-
Step 800
800
#005B5C
oklch(42.7% 0.073 196.1)
-
Step 900
900
#004C4C
oklch(37.7% 0.064 194.8)
-
Step 950
950
#002D2E
oklch(27% 0.046 197.1)
#39E1E2 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) | #D2D6E2 | 0.136 |
| Deuteranopia (no green cones) | #BAC4E3 | 0.127 |
| Tritanopia (no blue cones) | #00E8E1 | 0.021 |
| Achromatopsia (no color) | #CCCCCC | 0.132 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #39E1E2
#39E1E2
oklch(82.9% 0.131 195.5)
- #FFAEB2
#FFAEB2
oklch(83% 0.095 16.1)
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 #39E1E2, closest first.
No curated palette has a color within ΔE 0.04 of #39E1E2.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise #40E0D0 ΔE 0.025
- Aqua Blue #02D8E9 ΔE 0.033
- Medium Turquoise #48D1CC ΔE 0.046
- Dark Turquoise #00CED1 ΔE 0.057
- Robin's Egg #6DEDFD ΔE 0.058
- Bright Light Blue #26F7FD ΔE 0.061
- Bright Aqua #0BF9EA ΔE 0.064
- Aqua Marine #2EE8BB ΔE 0.065
Use #39E1E2 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.