#37A889
Closest named color: Jade (#1FA774). oklch(66% 0.111 171), rgb(55, 168, 137).
Aa
Black text reads best on this color (7.12:1).
About this color
#37A889 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 66%, its chroma 0.111 and its hue 171°. Its hue sits on the cool side of the wheel. The nearest named color is Jade (#1FA774), ΔE 0.033 away. Black text reads best on it, at 7.12:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.111) |
| Temperature | cool |
| Nearest name | Jade (#1FA774) |
| Black text | 7.12:1 |
| White text | 2.94:1 |
Values
| HEX | #37A889 |
| RGB | rgb(55, 168, 137) |
| HSL | hsl(164, 51%, 44%) |
| OKLCH | oklch(66% 0.111 171) |
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 #37A889 | 2.94:1 | Fails | Lc -61.0 | Content text, not long reading |
| Black text on #37A889 | 7.12:1 | AAA | Lc 48.4 | Large or bold text, headings |
| #37A889 text on white | 2.94:1 | Fails | Lc 55.6 | Large or bold text, headings |
| #37A889 text on black | 7.12:1 | AAA | Lc -46.2 | 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 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
#C6E0D6
oklch(88.5% 0.031 170.5)
-
Step 300
300
#9ECDBC
oklch(81% 0.055 170.7)
-
Step 400
400
#64B299
oklch(70.6% 0.086 171)
-
Step 500
500 (this color)
#37A889
oklch(66% 0.111 171)
-
Step 600
600
#00876B
oklch(55.5% 0.108 171.4)
-
Step 700
700
#007259
oklch(49.1% 0.097 170.7)
-
Step 800
800
#005D49
oklch(42.6% 0.083 171.6)
-
Step 900
900
#034E3C
oklch(37.8% 0.073 170.4)
-
Step 950
950
#082E23
oklch(27.1% 0.047 169.7)
#37A889 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) | #A39D87 | 0.114 |
| Deuteranopia (no green cones) | #94928B | 0.109 |
| Tritanopia (no blue cones) | #00A99F | 0.033 |
| Achromatopsia (no color) | #969696 | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37A889
#37A889
oklch(66% 0.111 171)
- #C5759B
#C5759B
oklch(66% 0.11 350.6)
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 #37A889, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jade #1FA774 ΔE 0.033
- Greeny Blue #42B395 ΔE 0.035
- Persian Green #2A9D8F ΔE 0.038
- Dark Seafoam Green #3EAF76 ΔE 0.039
- Tea #65AB7C ΔE 0.040
- Bluey Green #2BB179 ΔE 0.041
- Dull Teal #5F9E8F ΔE 0.044
- Ocean Green #3D9973 ΔE 0.046
Use #37A889 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.