#37AE63
Closest named color: Jade Green (#2BAF6A). oklch(66.7% 0.152 151.8), rgb(55, 174, 99).
Aa
Black text reads best on this color (7.39:1).
About this color
#37AE63 is a medium-light, vivid green. In OKLCH its lightness is 67%, its chroma 0.152 and its hue 152°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jade Green (#2BAF6A), ΔE 0.009 away. Black text reads best on it, at 7.39:1.
| Hue family | Greens |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.152) |
| Temperature | in between |
| Nearest name | Jade Green (#2BAF6A) |
| Black text | 7.39:1 |
| White text | 2.83:1 |
Values
| HEX | #37AE63 |
| RGB | rgb(55, 174, 99) |
| HSL | hsl(142, 52%, 45%) |
| OKLCH | oklch(66.7% 0.152 151.8) |
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 #37AE63 | 2.83:1 | Fails | Lc -59.3 | Large or bold text, headings |
| Black text on #37AE63 | 7.39:1 | AAA | Lc 50.0 | Large or bold text, headings |
| #37AE63 text on white | 2.83:1 | Fails | Lc 54.1 | Large or bold text, headings |
| #37AE63 text on black | 7.39:1 | AAA | Lc -47.8 | 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
#F1F7F2
oklch(97% 0.009 150.7)
-
Step 100
100
#E0EEE3
oklch(93.6% 0.021 152.2)
-
Step 200
200
#C6E1CC
oklch(88.4% 0.04 152.1)
-
Step 300
300
#9DCFA9
oklch(80.9% 0.075 151.8)
-
Step 400
400
#62B67B
oklch(70.7% 0.12 151.9)
-
Step 500
500 (this color)
#37AE63
oklch(66.7% 0.152 151.8)
-
Step 600
600
#008A45
oklch(55.5% 0.146 152)
-
Step 700
700
#007539
oklch(49.2% 0.13 151.8)
-
Step 800
800
#00602D
oklch(42.8% 0.114 151.6)
-
Step 900
900
#005025
oklch(37.8% 0.1 151.8)
-
Step 950
950
#072F16
oklch(27% 0.063 151.7)
#37AE63 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) | #AEA05E | 0.129 |
| Deuteranopia (no green cones) | #A09568 | 0.128 |
| Tritanopia (no blue cones) | #00AB9C | 0.082 |
| Achromatopsia (no color) | #999999 | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37AE63
#37AE63
oklch(66.7% 0.152 151.8)
- #C96EBE
#C96EBE
oklch(66.8% 0.152 331.7)
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 #37AE63, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jade Green #2BAF6A ΔE 0.009
- Seaweed Green #35AD6B ΔE 0.011
- Medium Sea Green #3CB371 ΔE 0.021
- Dark Pastel Green #56AE57 ΔE 0.023
- Algae #54AC68 ΔE 0.023
- Dark Seafoam Green #3EAF76 ΔE 0.025
- Bluey Green #2BB179 ΔE 0.026
- Green Teal #0CB577 ΔE 0.026
Use #37AE63 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.