#37B786
Closest named color: Dark Seafoam (#1FB57A). oklch(69.8% 0.133 163.2), rgb(55, 183, 134).
Aa
Black text reads best on this color (8.28:1).
About this color
#37B786 is a medium-light, moderately saturated green. In OKLCH its lightness is 70%, its chroma 0.133 and its hue 163°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Seafoam (#1FB57A), ΔE 0.021 away. Black text reads best on it, at 8.28:1.
| Hue family | Greens |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.133) |
| Temperature | in between |
| Nearest name | Dark Seafoam (#1FB57A) |
| Black text | 8.28:1 |
| White text | 2.53:1 |
Values
| HEX | #37B786 |
| RGB | rgb(55, 183, 134) |
| HSL | hsl(157, 54%, 47%) |
| OKLCH | oklch(69.8% 0.133 163.2) |
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 #37B786 | 2.53:1 | Fails | Lc -54.4 | Large or bold text, headings |
| Black text on #37B786 | 8.28:1 | AAA | Lc 54.7 | Large or bold text, headings |
| #37B786 text on white | 2.53:1 | Fails | Lc 49.3 | Large or bold text, headings |
| #37B786 text on black | 8.28:1 | AAA | Lc -52.6 | 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 400.
-
Step 50
50
#EFF8F3
oklch(97.1% 0.012 162.1)
-
Step 100
100
#DCEFE5
oklch(93.5% 0.024 163.1)
-
Step 200
200
#BFE3D1
oklch(88.5% 0.045 163.7)
-
Step 300
300
#8ED2B1
oklch(80.9% 0.083 162.8)
-
Step 400
400 (this color)
#37B786
oklch(69.8% 0.133 163.2)
-
Step 500
500
#00A272
oklch(63% 0.135 163.5)
-
Step 600
600
#00895F
oklch(55.7% 0.12 163.1)
-
Step 700
700
#00734F
oklch(49.1% 0.106 163)
-
Step 800
800
#005E40
oklch(42.6% 0.092 163.1)
-
Step 900
900
#004F35
oklch(37.8% 0.082 162.9)
-
Step 950
950
#002F1E
oklch(27% 0.058 163)
#37B786 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) | #B4AA83 | 0.129 |
| Deuteranopia (no green cones) | #A39E89 | 0.124 |
| Tritanopia (no blue cones) | #00B7AA | 0.051 |
| Achromatopsia (no color) | #A3A3A3 | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37B786
#37B786
oklch(69.8% 0.133 163.2)
- #D67AB3
#D67AB3
oklch(69.7% 0.133 343.2)
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 #37B786, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Seafoam #1FB57A ΔE 0.021
- Bluey Green #2BB179 ΔE 0.024
- Green Blue #01C08D ΔE 0.025
- Dark Seafoam Green #3EAF76 ΔE 0.026
- Medium Sea Green #3CB371 ΔE 0.027
- Green Teal #0CB577 ΔE 0.027
- Greeny Blue #42B395 ΔE 0.029
- Greenblue #23C48B ΔE 0.036
Use #37B786 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.