#37B993
Closest named color: Greeny Blue (#42B395). oklch(70.6% 0.125 169.1), rgb(55, 185, 147).
Aa
Black text reads best on this color (8.52:1).
About this color
#37B993 is a medium-light, moderately saturated green. In OKLCH its lightness is 71%, its chroma 0.125 and its hue 169°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Greeny Blue (#42B395), ΔE 0.019 away. Black text reads best on it, at 8.52:1.
| Hue family | Greens |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.125) |
| Temperature | in between |
| Nearest name | Greeny Blue (#42B395) |
| Black text | 8.52:1 |
| White text | 2.46:1 |
Values
| HEX | #37B993 |
| RGB | rgb(55, 185, 147) |
| HSL | hsl(162, 54%, 47%) |
| OKLCH | oklch(70.6% 0.125 169.1) |
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 #37B993 | 2.46:1 | Fails | Lc -53.1 | Large or bold text, headings |
| Black text on #37B993 | 8.52:1 | AAA | Lc 55.9 | Large or bold text, headings |
| #37B993 text on white | 2.46:1 | Fails | Lc 48.1 | Large or bold text, headings |
| #37B993 text on black | 8.52:1 | AAA | Lc -53.9 | 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
#EFF8F4
oklch(97.1% 0.011 167.8)
-
Step 100
100
#DCEFE7
oklch(93.6% 0.023 168.7)
-
Step 200
200
#BEE3D4
oklch(88.5% 0.044 168.8)
-
Step 300
300
#8DD1B8
oklch(80.8% 0.078 169.3)
-
Step 400
400 (this color)
#37B993
oklch(70.6% 0.125 169.1)
-
Step 500
500
#00A17C
oklch(63% 0.126 169.1)
-
Step 600
600
#008868
oklch(55.7% 0.112 168.9)
-
Step 700
700
#007257
oklch(49.1% 0.098 169.1)
-
Step 800
800
#005E47
oklch(42.8% 0.086 168.9)
-
Step 900
900
#004E3B
oklch(37.7% 0.075 169.6)
-
Step 950
950
#002F22
oklch(27.1% 0.054 168.9)
#37B993 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) | #B4AC91 | 0.127 |
| Deuteranopia (no green cones) | #A3A096 | 0.122 |
| Tritanopia (no blue cones) | #00BAAE | 0.038 |
| Achromatopsia (no color) | #A5A5A5 | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37B993
#37B993
oklch(70.6% 0.125 169.1)
- #DA7EAC
#DA7EAC
oklch(70.6% 0.126 349.5)
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 #37B993, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greeny Blue #42B395 ΔE 0.019
- Green Blue #01C08D ΔE 0.027
- Dark Seafoam #1FB57A ΔE 0.037
- Greenblue #23C48B ΔE 0.038
- Topaz #13BBAF ΔE 0.039
- Bluey Green #2BB179 ΔE 0.039
- Dark Seafoam Green #3EAF76 ΔE 0.041
- Green Teal #0CB577 ΔE 0.043
Use #37B993 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.