#37DFBE
Closest named color: Turquoise (#40E0D0). oklch(81.3% 0.141 175.8), rgb(55, 223, 190).
Aa
Black text reads best on this color (12.46:1).
About this color
#37DFBE is a light, vivid teal or cyan. In OKLCH its lightness is 81%, its chroma 0.141 and its hue 176°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise (#40E0D0), ΔE 0.026 away. Black text reads best on it, at 12.46:1.
| Hue family | Teals and cyans |
| Lightness | light (81%) |
| Chroma | vivid (0.141) |
| Temperature | cool |
| Nearest name | Turquoise (#40E0D0) |
| Black text | 12.46:1 |
| White text | 1.68:1 |
Values
| HEX | #37DFBE |
| RGB | rgb(55, 223, 190) |
| HSL | hsl(168, 72%, 55%) |
| OKLCH | oklch(81.3% 0.141 175.8) |
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 #37DFBE | 1.68:1 | Fails | Lc -33.2 | Non-text elements, placeholder text |
| Black text on #37DFBE | 12.46:1 | AAA | Lc 74.4 | Content text, not long reading |
| #37DFBE text on white | 1.68:1 | Fails | Lc 29.4 | Dividers and decoration only |
| #37DFBE text on black | 12.46:1 | AAA | Lc -73.4 | 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
#E9FAF5
oklch(97.1% 0.019 176.5)
-
Step 100
100
#CFF3E9
oklch(93.6% 0.04 176.8)
-
Step 200
200
#A1EBD7
oklch(88.6% 0.079 175.6)
-
Step 300
300 (this color)
#37DFBE
oklch(81.3% 0.141 175.8)
-
Step 400
400
#00BB9D
oklch(70.7% 0.133 175.7)
-
Step 500
500
#00A086
oklch(63% 0.118 175.6)
-
Step 600
600
#008771
oklch(55.7% 0.104 175.8)
-
Step 700
700
#00715E
oklch(49% 0.092 175.6)
-
Step 800
800
#005D4D
oklch(42.7% 0.08 175.6)
-
Step 900
900
#004D40
oklch(37.6% 0.07 176.4)
-
Step 950
950
#002E25
oklch(26.9% 0.05 175.6)
#37DFBE 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) | #D7D1BD | 0.148 |
| Deuteranopia (no green cones) | #C1C1C0 | 0.140 |
| Tritanopia (no blue cones) | #00E2D5 | 0.030 |
| Achromatopsia (no color) | #C7C7C7 | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37DFBE
#37DFBE
oklch(81.3% 0.141 175.8)
- #FFA1C5
#FFA1C5
oklch(81.3% 0.119 355.5)
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 #37DFBE, closest first.
No curated palette has a color within ΔE 0.04 of #37DFBE.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise #40E0D0 ΔE 0.026
- Aqua Marine #2EE8BB ΔE 0.027
- Emerald #06D6A0 ΔE 0.047
- Seafoam Blue #78D1B6 ΔE 0.049
- Medium Aquamarine #66CDAA ΔE 0.050
- Medium Turquoise #48D1CC ΔE 0.050
- Aqua Green #12E193 ΔE 0.063
- Dark Turquoise #00CED1 ΔE 0.065
Use #37DFBE 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.