#37A34D
Closest named color: Mid Green (#50A747). oklch(63.4% 0.158 147.1), rgb(55, 163, 77).
Aa
Black text reads best on this color (6.50:1).
About this color
#37A34D is a medium-light, vivid green. In OKLCH its lightness is 63%, its chroma 0.158 and its hue 147°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Mid Green (#50A747), ΔE 0.024 away. Black text reads best on it, at 6.50:1.
| Hue family | Greens |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.158) |
| Temperature | in between |
| Nearest name | Mid Green (#50A747) |
| Black text | 6.50:1 |
| White text | 3.22:1 |
Values
| HEX | #37A34D |
| RGB | rgb(55, 163, 77) |
| HSL | hsl(132, 50%, 43%) |
| OKLCH | oklch(63.4% 0.158 147.1) |
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 #37A34D | 3.22:1 | AA large text | Lc -64.6 | Content text, not long reading |
| Black text on #37A34D | 6.50:1 | AA | Lc 44.9 | Non-text elements, placeholder text |
| #37A34D text on white | 3.22:1 | AA large text | Lc 59.1 | Large or bold text, headings |
| #37A34D text on black | 6.50:1 | AA | Lc -42.6 | 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
#F1F7F1
oklch(97% 0.01 145.5)
-
Step 100
100
#E1EEE1
oklch(93.6% 0.022 145.4)
-
Step 200
200
#C7E1C9
oklch(88.4% 0.043 147.4)
-
Step 300
300
#A0CFA4
oklch(81% 0.078 147)
-
Step 400
400
#68B572
oklch(70.6% 0.124 147.1)
-
Step 500
500 (this color)
#37A34D
oklch(63.4% 0.158 147.1)
-
Step 600
600
#008B31
oklch(55.5% 0.165 147.1)
-
Step 700
700
#007528
oklch(49% 0.145 147.1)
-
Step 800
800
#006020
oklch(42.6% 0.126 147.3)
-
Step 900
900
#0D4F1D
oklch(37.6% 0.103 147)
-
Step 950
950
#0B2F12
oklch(27.1% 0.066 147.1)
#37A34D 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) | #A59545 | 0.124 |
| Deuteranopia (no green cones) | #988C53 | 0.122 |
| Tritanopia (no blue cones) | #139F8F | 0.093 |
| Achromatopsia (no color) | #8F8F8F | 0.159 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37A34D
#37A34D
oklch(63.4% 0.158 147.1)
- #BB63BB
#BB63BB
oklch(63.3% 0.158 327.2)
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 #37A34D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Green #50A747 ΔE 0.024
- Medium Green #39AD48 ΔE 0.032
- Muted Green #5FA052 ΔE 0.034
- Seaweed Green #35AD6B ΔE 0.040
- Jade Green #2BAF6A ΔE 0.041
- Fern #63A950 ΔE 0.042
- Dark Pastel Green #56AE57 ΔE 0.043
- Flat Green #699D4C ΔE 0.044
Use #37A34D 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.