#37A789
Closest named color: Jade (#1FA774). oklch(65.7% 0.11 171.5), rgb(55, 167, 137).
Aa
Black text reads best on this color (7.05:1).
About this color
#37A789 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 66%, its chroma 0.110 and its hue 171°. Its hue sits on the cool side of the wheel. The nearest named color is Jade (#1FA774), ΔE 0.034 away. Black text reads best on it, at 7.05:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.110) |
| Temperature | cool |
| Nearest name | Jade (#1FA774) |
| Black text | 7.05:1 |
| White text | 2.97:1 |
Values
| HEX | #37A789 |
| RGB | rgb(55, 167, 137) |
| HSL | hsl(164, 50%, 44%) |
| OKLCH | oklch(65.7% 0.11 171.5) |
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 #37A789 | 2.97:1 | Fails | Lc -61.4 | Content text, not long reading |
| Black text on #37A789 | 7.05:1 | AAA | Lc 48.0 | Large or bold text, headings |
| #37A789 text on white | 2.97:1 | Fails | Lc 56.1 | Large or bold text, headings |
| #37A789 text on black | 7.05:1 | AAA | Lc -45.7 | 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
#E0EDE8
oklch(93.5% 0.015 171)
-
Step 200
200
#C6E0D7
oklch(88.5% 0.03 172.8)
-
Step 300
300
#9ECCBC
oklch(80.8% 0.053 171.6)
-
Step 400
400
#64B29A
oklch(70.6% 0.086 171.8)
-
Step 500
500 (this color)
#37A789
oklch(65.7% 0.11 171.5)
-
Step 600
600
#00876B
oklch(55.5% 0.108 171.4)
-
Step 700
700
#00725A
oklch(49.2% 0.096 171.5)
-
Step 800
800
#005D49
oklch(42.6% 0.083 171.6)
-
Step 900
900
#044E3D
oklch(37.8% 0.072 171.4)
-
Step 950
950
#082E24
oklch(27.2% 0.046 171.6)
#37A789 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) | #A29C88 | 0.113 |
| Deuteranopia (no green cones) | #92918B | 0.108 |
| Tritanopia (no blue cones) | #00A89E | 0.031 |
| Achromatopsia (no color) | #959595 | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37A789
#37A789
oklch(65.7% 0.11 171.5)
- #C47499
#C47499
oklch(65.7% 0.11 351.4)
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 #37A789, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jade #1FA774 ΔE 0.034
- Persian Green #2A9D8F ΔE 0.036
- Greeny Blue #42B395 ΔE 0.037
- Dark Seafoam Green #3EAF76 ΔE 0.041
- Dull Teal #5F9E8F ΔE 0.042
- Tea #65AB7C ΔE 0.042
- Bluey Green #2BB179 ΔE 0.043
- Ocean Green #3D9973 ΔE 0.044
Use #37A789 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.