#37AC3D
Closest named color: Medium Green (#39AD48). oklch(65.6% 0.183 143.9), rgb(55, 172, 61).
Aa
Black text reads best on this color (7.13:1).
About this color
#37AC3D is a medium-light, vivid green. In OKLCH its lightness is 66%, its chroma 0.183 and its hue 144°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Green (#39AD48), ΔE 0.010 away. Black text reads best on it, at 7.13:1.
| Hue family | Greens |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.183) |
| Temperature | in between |
| Nearest name | Medium Green (#39AD48) |
| Black text | 7.13:1 |
| White text | 2.94:1 |
Values
| HEX | #37AC3D |
| RGB | rgb(55, 172, 61) |
| HSL | hsl(123, 52%, 45%) |
| OKLCH | oklch(65.6% 0.183 143.9) |
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 #37AC3D | 2.94:1 | Fails | Lc -60.8 | Content text, not long reading |
| Black text on #37AC3D | 7.13:1 | AAA | Lc 48.6 | Large or bold text, headings |
| #37AC3D text on white | 2.94:1 | Fails | Lc 55.5 | Large or bold text, headings |
| #37AC3D text on black | 7.13:1 | AAA | Lc -46.3 | 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
#F1F8F0
oklch(97.2% 0.013 141.8)
-
Step 100
100
#E0EFDF
oklch(93.7% 0.027 143.6)
-
Step 200
200
#C6E2C5
oklch(88.4% 0.049 144.2)
-
Step 300
300
#9ED09C
oklch(80.9% 0.089 143.8)
-
Step 400
400
#64B764
oklch(70.7% 0.143 143.9)
-
Step 500
500 (this color)
#37AC3D
oklch(65.6% 0.183 143.9)
-
Step 600
600
#008C19
oklch(55.6% 0.181 143.9)
-
Step 700
700
#007613
oklch(49.1% 0.16 143.8)
-
Step 800
800
#00610E
oklch(42.8% 0.139 143.9)
-
Step 900
900
#05500D
oklch(37.5% 0.119 143.8)
-
Step 950
950
#092F0B
oklch(26.9% 0.074 143.9)
#37AC3D 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) | #AF9C30 | 0.133 |
| Deuteranopia (no green cones) | #A19347 | 0.133 |
| Tritanopia (no blue cones) | #16A795 | 0.115 |
| Achromatopsia (no color) | #969696 | 0.184 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37AC3D
#37AC3D
oklch(65.6% 0.183 143.9)
- #C563CF
#C563CF
oklch(65.5% 0.183 323.8)
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 #37AC3D, closest first.
No curated palette has a color within ΔE 0.04 of #37AC3D.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Green #39AD48 ΔE 0.010
- Kelly Green #02AB2E ΔE 0.023
- Shamrock #01B44C ΔE 0.024
- Mid Green #50A747 ΔE 0.026
- Grass #5CAC2D ΔE 0.027
- Leaf Green #5CA904 ΔE 0.032
- Dark Pastel Green #56AE57 ΔE 0.038
- Leafy Green #51B73B ΔE 0.039
Use #37AC3D 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.