#37ADA2
Closest named color: Light Sea Green (#20B2AA). oklch(68% 0.104 186.1), rgb(55, 173, 162).
Aa
Black text reads best on this color (7.66:1).
About this color
#37ADA2 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 68%, its chroma 0.104 and its hue 186°. Its hue sits on the cool side of the wheel. The nearest named color is Light Sea Green (#20B2AA), ΔE 0.016 away. Black text reads best on it, at 7.66:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.104) |
| Temperature | cool |
| Nearest name | Light Sea Green (#20B2AA) |
| Black text | 7.66:1 |
| White text | 2.74:1 |
Values
| HEX | #37ADA2 |
| RGB | rgb(55, 173, 162) |
| HSL | hsl(174, 52%, 45%) |
| OKLCH | oklch(68% 0.104 186.1) |
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 #37ADA2 | 2.74:1 | Fails | Lc -57.9 | Large or bold text, headings |
| Black text on #37ADA2 | 7.66:1 | AAA | Lc 51.4 | Large or bold text, headings |
| #37ADA2 text on white | 2.74:1 | Fails | Lc 52.7 | Large or bold text, headings |
| #37ADA2 text on black | 7.66:1 | AAA | Lc -49.2 | Large or bold text, headings |
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
#EFF7F6
oklch(97% 0.009 188.1)
-
Step 100
100
#DDEEEC
oklch(93.6% 0.018 188.4)
-
Step 200
200
#C0E1DD
oklch(88.5% 0.035 187.6)
-
Step 300
300
#90CFC7
oklch(81% 0.065 186.1)
-
Step 400
400 (this color)
#37ADA2
oklch(68% 0.104 186.1)
-
Step 500
500
#009F93
oklch(63.2% 0.111 185.4)
-
Step 600
600
#00857C
oklch(55.5% 0.097 186.5)
-
Step 700
700
#007068
oklch(49.1% 0.086 186.2)
-
Step 800
800
#005C55
oklch(42.7% 0.075 185.9)
-
Step 900
900
#004D47
oklch(37.8% 0.066 185.9)
-
Step 950
950
#002E2A
oklch(27.1% 0.048 185.8)
#37ADA2 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) | #A4A4A2 | 0.110 |
| Deuteranopia (no green cones) | #9397A3 | 0.104 |
| Tritanopia (no blue cones) | #00B1A9 | 0.017 |
| Achromatopsia (no color) | #9C9C9C | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37ADA2
#37ADA2
oklch(68% 0.104 186.1)
- #CF7C8E
#CF7C8E
oklch(68% 0.105 6.2)
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 #37ADA2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Sea Green #20B2AA ΔE 0.016
- Greeny Blue #42B395 ΔE 0.031
- Topaz #13BBAF ΔE 0.039
- Dull Teal #5F9E8F ΔE 0.047
- Turquoise Blue #06B1C4 ΔE 0.048
- Cadet Blue #5F9EA0 ΔE 0.048
- Persian Green #2A9D8F ΔE 0.050
- Grey Teal #5E9B8A ΔE 0.054
Use #37ADA2 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.