#37A583
Closest named color: Jade (#1FA774). oklch(65.1% 0.112 168.6), rgb(55, 165, 131).
Aa
Black text reads best on this color (6.87:1).
About this color
#37A583 is a medium-light, moderately saturated green. In OKLCH its lightness is 65%, its chroma 0.112 and its hue 169°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jade (#1FA774), ΔE 0.028 away. Black text reads best on it, at 6.87:1.
| Hue family | Greens |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.112) |
| Temperature | in between |
| Nearest name | Jade (#1FA774) |
| Black text | 6.87:1 |
| White text | 3.05:1 |
Values
| HEX | #37A583 |
| RGB | rgb(55, 165, 131) |
| HSL | hsl(161, 50%, 43%) |
| OKLCH | oklch(65.1% 0.112 168.6) |
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 #37A583 | 3.05:1 | AA large text | Lc -62.4 | Content text, not long reading |
| Black text on #37A583 | 6.87:1 | AA | Lc 47.0 | Large or bold text, headings |
| #37A583 text on white | 3.05:1 | AA large text | Lc 57.1 | Large or bold text, headings |
| #37A583 text on black | 6.87:1 | AA | Lc -44.7 | Non-text elements, placeholder text |
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
#F1F7F4
oklch(97.1% 0.007 164.9)
-
Step 100
100
#E0EDE8
oklch(93.5% 0.015 171)
-
Step 200
200
#C7E0D5
oklch(88.5% 0.03 167.4)
-
Step 300
300
#9FCDBA
oklch(81% 0.055 167.8)
-
Step 400
400
#65B297
oklch(70.6% 0.087 169.1)
-
Step 500
500 (this color)
#37A583
oklch(65.1% 0.112 168.6)
-
Step 600
600
#008867
oklch(55.7% 0.112 168.2)
-
Step 700
700
#007256
oklch(49% 0.099 168.4)
-
Step 800
800
#005E46
oklch(42.8% 0.087 168)
-
Step 900
900
#064E3A
oklch(37.8% 0.074 167.9)
-
Step 950
950
#092E22
oklch(27.1% 0.047 167.5)
#37A583 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) | #A19A81 | 0.113 |
| Deuteranopia (no green cones) | #928F85 | 0.109 |
| Tritanopia (no blue cones) | #00A69B | 0.035 |
| Achromatopsia (no color) | #939393 | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37A583
#37A583
oklch(65.1% 0.112 168.6)
- #C1729B
#C1729B
oklch(65.1% 0.111 348.2)
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 #37A583, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jade #1FA774 ΔE 0.028
- Persian Green #2A9D8F ΔE 0.035
- Ocean Green #3D9973 ΔE 0.036
- Dark Seafoam Green #3EAF76 ΔE 0.040
- Blue Green #0F9B8E ΔE 0.043
- Bluey Green #2BB179 ΔE 0.043
- Tea #65AB7C ΔE 0.043
- Greeny Blue #42B395 ΔE 0.044
Use #37A583 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.