#37AC4D
Closest named color: Medium Green (#39AD48). oklch(65.8% 0.17 146.6), rgb(55, 172, 77).
Aa
Black text reads best on this color (7.17:1).
About this color
#37AC4D is a medium-light, vivid green. In OKLCH its lightness is 66%, its chroma 0.170 and its hue 147°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Green (#39AD48), ΔE 0.007 away. Black text reads best on it, at 7.17:1.
| Hue family | Greens |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.170) |
| Temperature | in between |
| Nearest name | Medium Green (#39AD48) |
| Black text | 7.17:1 |
| White text | 2.92:1 |
Values
| HEX | #37AC4D |
| RGB | rgb(55, 172, 77) |
| HSL | hsl(131, 52%, 45%) |
| OKLCH | oklch(65.8% 0.17 146.6) |
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 #37AC4D | 2.92:1 | Fails | Lc -60.6 | Content text, not long reading |
| Black text on #37AC4D | 7.17:1 | AAA | Lc 48.7 | Large or bold text, headings |
| #37AC4D text on white | 2.92:1 | Fails | Lc 55.3 | Large or bold text, headings |
| #37AC4D text on black | 7.17:1 | AAA | Lc -46.5 | 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
#F1F8F1
oklch(97.2% 0.012 145.5)
-
Step 100
100
#E0EFE1
oklch(93.7% 0.024 147.3)
-
Step 200
200
#C6E2C8
oklch(88.5% 0.046 147.2)
-
Step 300
300
#9ED0A1
oklch(81% 0.084 146.3)
-
Step 400
400
#64B76D
oklch(70.8% 0.134 146.4)
-
Step 500
500 (this color)
#37AC4D
oklch(65.8% 0.17 146.6)
-
Step 600
600
#008C2E
oklch(55.7% 0.168 146.5)
-
Step 700
700
#007526
oklch(49% 0.147 146.7)
-
Step 800
800
#00601D
oklch(42.6% 0.128 146.5)
-
Step 900
900
#045019
oklch(37.7% 0.11 146.7)
-
Step 950
950
#082F10
oklch(27% 0.07 146.9)
#37AC4D 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) | #AE9D44 | 0.131 |
| Deuteranopia (no green cones) | #A09354 | 0.130 |
| Tritanopia (no blue cones) | #0AA897 | 0.101 |
| Achromatopsia (no color) | #979797 | 0.171 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37AC4D
#37AC4D
oklch(65.8% 0.17 146.6)
- #C667C8
#C667C8
oklch(65.9% 0.171 326.5)
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 #37AC4D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Green #39AD48 ΔE 0.007
- Mid Green #50A747 ΔE 0.019
- Shamrock #01B44C ΔE 0.026
- Dark Pastel Green #56AE57 ΔE 0.028
- Jade Green #2BAF6A ΔE 0.032
- Grass #5CAC2D ΔE 0.033
- Seaweed Green #35AD6B ΔE 0.035
- Fern #63A950 ΔE 0.035
Use #37AC4D 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.