#37DFB2
Closest named color: Aqua Marine (#2EE8BB). oklch(81% 0.148 170), rgb(55, 223, 178).
Aa
Black text reads best on this color (12.36:1).
About this color
#37DFB2 is a light, vivid green. In OKLCH its lightness is 81%, its chroma 0.148 and its hue 170°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Aqua Marine (#2EE8BB), ΔE 0.024 away. Black text reads best on it, at 12.36:1.
| Hue family | Greens |
| Lightness | light (81%) |
| Chroma | vivid (0.148) |
| Temperature | in between |
| Nearest name | Aqua Marine (#2EE8BB) |
| Black text | 12.36:1 |
| White text | 1.69:1 |
Values
| HEX | #37DFB2 |
| RGB | rgb(55, 223, 178) |
| HSL | hsl(164, 72%, 55%) |
| OKLCH | oklch(81% 0.148 170) |
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 #37DFB2 | 1.69:1 | Fails | Lc -33.6 | Non-text elements, placeholder text |
| Black text on #37DFB2 | 12.36:1 | AAA | Lc 74.0 | Content text, not long reading |
| #37DFB2 text on white | 1.69:1 | Fails | Lc 29.9 | Dividers and decoration only |
| #37DFB2 text on black | 12.36:1 | AAA | Lc -72.9 | 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
#E9FAF3
oklch(97.1% 0.02 169.4)
-
Step 100
100
#CFF4E5
oklch(93.7% 0.043 168.9)
-
Step 200
200
#A1EBD1
oklch(88.4% 0.082 170.4)
-
Step 300
300 (this color)
#37DFB2
oklch(81% 0.148 170)
-
Step 400
400
#00BC93
oklch(70.7% 0.14 169.9)
-
Step 500
500
#00A17E
oklch(63.1% 0.125 170.2)
-
Step 600
600
#008869
oklch(55.7% 0.111 169.5)
-
Step 700
700
#007258
oklch(49.1% 0.097 169.9)
-
Step 800
800
#005D48
oklch(42.6% 0.084 170.6)
-
Step 900
900
#004E3B
oklch(37.7% 0.075 169.6)
-
Step 950
950
#002F22
oklch(27.1% 0.054 168.9)
#37DFB2 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) | #D9D0B0 | 0.151 |
| Deuteranopia (no green cones) | #C3C0B5 | 0.145 |
| Tritanopia (no blue cones) | #00E1D2 | 0.043 |
| Achromatopsia (no color) | #C7C7C7 | 0.150 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37DFB2
#37DFB2
oklch(81% 0.148 170)
- #FF9DCC
#FF9DCC
oklch(80.9% 0.129 350.2)
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 #37DFB2, closest first.
No curated palette has a color within ΔE 0.04 of #37DFB2.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Aqua Marine #2EE8BB ΔE 0.024
- Emerald #06D6A0 ΔE 0.035
- Turquoise #40E0D0 ΔE 0.043
- Aqua Green #12E193 ΔE 0.046
- Medium Aquamarine #66CDAA ΔE 0.051
- Seafoam Blue #78D1B6 ΔE 0.055
- Medium Turquoise #48D1CC ΔE 0.063
- Bright Teal #01F9C6 ΔE 0.069
Use #37DFB2 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.