#37AA49
Closest named color: Medium Green (#39AD48). oklch(65.2% 0.171 145.9), rgb(55, 170, 73).
Aa
Black text reads best on this color (7.00:1).
About this color
#37AA49 is a medium-light, vivid green. In OKLCH its lightness is 65%, its chroma 0.171 and its hue 146°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Green (#39AD48), ΔE 0.009 away. Black text reads best on it, at 7.00:1.
| Hue family | Greens |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.171) |
| Temperature | in between |
| Nearest name | Medium Green (#39AD48) |
| Black text | 7.00:1 |
| White text | 2.99:1 |
Values
| HEX | #37AA49 |
| RGB | rgb(55, 170, 73) |
| HSL | hsl(129, 51%, 44%) |
| OKLCH | oklch(65.2% 0.171 145.9) |
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 #37AA49 | 2.99:1 | Fails | Lc -61.6 | Content text, not long reading |
| Black text on #37AA49 | 7.00:1 | AAA | Lc 47.8 | Large or bold text, headings |
| #37AA49 text on white | 2.99:1 | Fails | Lc 56.2 | Large or bold text, headings |
| #37AA49 text on black | 7.00:1 | AAA | Lc -45.6 | 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
#E0EEE0
oklch(93.5% 0.024 145.4)
-
Step 200
200
#C6E2C7
oklch(88.5% 0.047 146.1)
-
Step 300
300
#9ED0A0
oklch(81% 0.085 145.7)
-
Step 400
400
#65B66C
oklch(70.6% 0.133 145.9)
-
Step 500
500 (this color)
#37AA49
oklch(65.2% 0.171 145.9)
-
Step 600
600
#008C2A
oklch(55.7% 0.171 145.8)
-
Step 700
700
#007622
oklch(49.2% 0.151 145.8)
-
Step 800
800
#00601A
oklch(42.5% 0.131 145.8)
-
Step 900
900
#065017
oklch(37.7% 0.111 145.9)
-
Step 950
950
#092F0F
oklch(27% 0.07 145.9)
#37AA49 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) | #AD9B40 | 0.131 |
| Deuteranopia (no green cones) | #9F9151 | 0.131 |
| Tritanopia (no blue cones) | #10A695 | 0.103 |
| Achromatopsia (no color) | #959595 | 0.172 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37AA49
#37AA49
oklch(65.2% 0.171 145.9)
- #C365C7
#C365C7
oklch(65.2% 0.171 325.8)
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 #37AA49, closest first.
No curated palette has a color within ΔE 0.04 of #37AA49.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Green #39AD48 ΔE 0.009
- Mid Green #50A747 ΔE 0.017
- Shamrock #01B44C ΔE 0.030
- Dark Pastel Green #56AE57 ΔE 0.032
- Kelly Green #02AB2E ΔE 0.033
- Grass #5CAC2D ΔE 0.033
- Jade Green #2BAF6A ΔE 0.036
- Fern #63A950 ΔE 0.037
Use #37AA49 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.