#37F9F7
Closest named color: Bright Light Blue (#26F7FD). oklch(89.3% 0.144 193.8), rgb(55, 249, 247).
Aa
Black text reads best on this color (16.05:1).
About this color
#37F9F7 is a light, vivid teal or cyan. In OKLCH its lightness is 89%, its chroma 0.144 and its hue 194°. Its hue sits on the cool side of the wheel. The nearest named color is Bright Light Blue (#26F7FD), ΔE 0.012 away. Black text reads best on it, at 16.05:1.
| Hue family | Teals and cyans |
| Lightness | light (89%) |
| Chroma | vivid (0.144) |
| Temperature | cool |
| Nearest name | Bright Light Blue (#26F7FD) |
| Black text | 16.05:1 |
| White text | 1.30:1 |
Values
| HEX | #37F9F7 |
| RGB | rgb(55, 249, 247) |
| HSL | hsl(179, 94%, 60%) |
| OKLCH | oklch(89.3% 0.144 193.8) |
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 #37F9F7 | 1.30:1 | Fails | Lc -16.9 | Dividers and decoration only |
| Black text on #37F9F7 | 16.05:1 | AAA | Lc 88.9 | Fine for body text |
| #37F9F7 text on white | 1.30:1 | Fails | Lc 14.7 | Not readable |
| #37F9F7 text on black | 16.05:1 | AAA | Lc -89.1 | 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 200.
-
Step 50
50
#E3FBFA
oklch(97% 0.025 193.7)
-
Step 100
100
#C1F6F4
oklch(93.6% 0.054 193.4)
-
Step 200
200 (this color)
#37F9F7
oklch(89.3% 0.144 193.8)
-
Step 300
300
#00DCDA
oklch(80.9% 0.138 193.6)
-
Step 400
400
#00B8B6
oklch(70.8% 0.121 193.4)
-
Step 500
500
#009D9C
oklch(63% 0.108 194)
-
Step 600
600
#008483
oklch(55.5% 0.095 193.8)
-
Step 700
700
#006F6E
oklch(49% 0.084 193.7)
-
Step 800
800
#005B5A
oklch(42.6% 0.073 193.5)
-
Step 900
900
#004C4B
oklch(37.7% 0.064 193.2)
-
Step 950
950
#002D2D
oklch(26.9% 0.046 194.8)
#37F9F7 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) | #E9ECF7 | 0.151 |
| Deuteranopia (no green cones) | #CED9F8 | 0.140 |
| Tritanopia (no blue cones) | #00FFF8 | 0.017 |
| Achromatopsia (no color) | #E1E1E1 | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37F9F7
#37F9F7
oklch(89.3% 0.144 193.8)
- #FFCDD0
#FFCDD0
oklch(89.3% 0.057 14.2)
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 #37F9F7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bright Light Blue #26F7FD ΔE 0.012
- Bright Turquoise #0FFEF9 ΔE 0.014
- Bright Cyan #41FDFE ΔE 0.014
- Cyan #00FFFF ΔE 0.017
- Bright Aqua #0BF9EA ΔE 0.022
- Robin's Egg #6DEDFD ΔE 0.043
- Robin Egg Blue #8AF1FE ΔE 0.053
- Light Turquoise #7EF4CC ΔE 0.061
Use #37F9F7 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.