#37DBB3
Closest named color: Emerald (#06D6A0). oklch(80% 0.143 171.9), rgb(55, 219, 179).
Aa
Black text reads best on this color (11.94:1).
About this color
#37DBB3 is a light, vivid teal or cyan. In OKLCH its lightness is 80%, its chroma 0.143 and its hue 172°. Its hue sits on the cool side of the wheel. The nearest named color is Emerald (#06D6A0), ΔE 0.031 away. Black text reads best on it, at 11.94:1.
| Hue family | Teals and cyans |
| Lightness | light (80%) |
| Chroma | vivid (0.143) |
| Temperature | cool |
| Nearest name | Emerald (#06D6A0) |
| Black text | 11.94:1 |
| White text | 1.75:1 |
Values
| HEX | #37DBB3 |
| RGB | rgb(55, 219, 179) |
| HSL | hsl(165, 69%, 54%) |
| OKLCH | oklch(80% 0.143 171.9) |
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 #37DBB3 | 1.75:1 | Fails | Lc -35.6 | Non-text elements, placeholder text |
| Black text on #37DBB3 | 11.94:1 | AAA | Lc 72.1 | Content text, not long reading |
| #37DBB3 text on white | 1.75:1 | Fails | Lc 31.7 | Non-text elements, placeholder text |
| #37DBB3 text on black | 11.94:1 | AAA | Lc -71.0 | 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 300.
-
Step 50
50
#E9FAF4
oklch(97.1% 0.02 172.8)
-
Step 100
100
#CFF3E7
oklch(93.5% 0.041 173.3)
-
Step 200
200
#A2EBD3
oklch(88.5% 0.08 171.9)
-
Step 300
300 (this color)
#37DBB3
oklch(80% 0.143 171.9)
-
Step 400
400
#00BC97
oklch(70.8% 0.137 171.9)
-
Step 500
500
#00A181
oklch(63.2% 0.122 172)
-
Step 600
600
#00876C
oklch(55.5% 0.108 172.1)
-
Step 700
700
#00725A
oklch(49.2% 0.096 171.5)
-
Step 800
800
#005D4A
oklch(42.6% 0.082 172.5)
-
Step 900
900
#004E3D
oklch(37.8% 0.073 171.8)
-
Step 950
950
#002E23
oklch(26.8% 0.052 171.9)
#37DBB3 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) | #D4CCB1 | 0.147 |
| Deuteranopia (no green cones) | #BFBDB6 | 0.141 |
| Tritanopia (no blue cones) | #00DDCF | 0.038 |
| Achromatopsia (no color) | #C3C3C3 | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37DBB3
#37DBB3
oklch(80% 0.143 171.9)
- #FF98C7
#FF98C7
oklch(80% 0.134 351.7)
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 #37DBB3, closest first.
No curated palette has a color within ΔE 0.04 of #37DBB3.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Emerald #06D6A0 ΔE 0.031
- Aqua Marine #2EE8BB ΔE 0.035
- Turquoise #40E0D0 ΔE 0.040
- Medium Aquamarine #66CDAA ΔE 0.041
- Seafoam Blue #78D1B6 ΔE 0.048
- Aqua Green #12E193 ΔE 0.053
- Medium Turquoise #48D1CC ΔE 0.053
- Pale Teal #82CBB2 ΔE 0.063
Use #37DBB3 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.