#37A68E
Closest named color: Persian Green (#2A9D8F). oklch(65.6% 0.106 175.5), rgb(55, 166, 142).
Aa
Black text reads best on this color (7.00:1).
About this color
#37A68E is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 66%, its chroma 0.106 and its hue 176°. Its hue sits on the cool side of the wheel. The nearest named color is Persian Green (#2A9D8F), ΔE 0.030 away. Black text reads best on it, at 7.00:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.106) |
| Temperature | cool |
| Nearest name | Persian Green (#2A9D8F) |
| Black text | 7.00:1 |
| White text | 2.99:1 |
Values
| HEX | #37A68E |
| RGB | rgb(55, 166, 142) |
| HSL | hsl(167, 50%, 43%) |
| OKLCH | oklch(65.6% 0.106 175.5) |
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 #37A68E | 2.99:1 | Fails | Lc -61.7 | Content text, not long reading |
| Black text on #37A68E | 7.00:1 | AAA | Lc 47.7 | Large or bold text, headings |
| #37A68E text on white | 2.99:1 | Fails | Lc 56.3 | Large or bold text, headings |
| #37A68E text on black | 7.00:1 | AAA | Lc -45.5 | 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 500.
-
Step 50
50
#F1F7F5
oklch(97.1% 0.007 174.4)
-
Step 100
100
#E0EDE9
oklch(93.5% 0.015 175.7)
-
Step 200
200
#C6E0D8
oklch(88.5% 0.03 175.2)
-
Step 300
300
#9ECCBF
oklch(80.9% 0.052 175.8)
-
Step 400
400
#64B29E
oklch(70.7% 0.083 175.3)
-
Step 500
500 (this color)
#37A68E
oklch(65.6% 0.106 175.5)
-
Step 600
600
#008770
oklch(55.7% 0.105 175.1)
-
Step 700
700
#00715E
oklch(49% 0.092 175.6)
-
Step 800
800
#005D4D
oklch(42.7% 0.08 175.6)
-
Step 900
900
#044D40
oklch(37.6% 0.069 176.1)
-
Step 950
950
#092D25
oklch(26.9% 0.043 175.1)
#37A68E 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) | #A09C8D | 0.110 |
| Deuteranopia (no green cones) | #909090 | 0.106 |
| Tritanopia (no blue cones) | #00A89F | 0.026 |
| Achromatopsia (no color) | #959595 | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37A68E
#37A68E
oklch(65.6% 0.106 175.5)
- #C47594
#C47594
oklch(65.7% 0.106 355.4)
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 #37A68E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Persian Green #2A9D8F ΔE 0.030
- Dull Teal #5F9E8F ΔE 0.037
- Greeny Blue #42B395 ΔE 0.039
- Blue Green #0F9B8E ΔE 0.039
- Grey Teal #5E9B8A ΔE 0.039
- Sea #3C9992 ΔE 0.041
- Jade #1FA774 ΔE 0.042
- Light Sea Green #20B2AA ΔE 0.044
Use #37A68E 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.