#37A13F
Closest named color: Mid Green (#50A747). oklch(62.7% 0.168 144.4), rgb(55, 161, 63).
Aa
Black text reads best on this color (6.33:1).
About this color
#37A13F is a medium-light, vivid green. In OKLCH its lightness is 63%, its chroma 0.168 and its hue 144°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Mid Green (#50A747), ΔE 0.029 away. Black text reads best on it, at 6.33:1.
| Hue family | Greens |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.168) |
| Temperature | in between |
| Nearest name | Mid Green (#50A747) |
| Black text | 6.33:1 |
| White text | 3.31:1 |
Values
| HEX | #37A13F |
| RGB | rgb(55, 161, 63) |
| HSL | hsl(125, 49%, 42%) |
| OKLCH | oklch(62.7% 0.168 144.4) |
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 #37A13F | 3.31:1 | AA large text | Lc -65.6 | Content text, not long reading |
| Black text on #37A13F | 6.33:1 | AA | Lc 43.9 | Non-text elements, placeholder text |
| #37A13F text on white | 3.31:1 | AA large text | Lc 60.2 | Content text, not long reading |
| #37A13F text on black | 6.33:1 | AA | Lc -41.6 | 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
#E1EEE0
oklch(93.6% 0.023 143.4)
-
Step 200
200
#C8E2C7
oklch(88.6% 0.046 144.2)
-
Step 300
300
#A0CFA0
oklch(80.9% 0.082 144.8)
-
Step 400
400
#69B66B
oklch(70.8% 0.132 144.6)
-
Step 500
500 (this color)
#37A13F
oklch(62.7% 0.168 144.4)
-
Step 600
600
#008C1F
oklch(55.6% 0.178 144.4)
-
Step 700
700
#007618
oklch(49.1% 0.157 144.4)
-
Step 800
800
#006112
oklch(42.8% 0.137 144.4)
-
Step 900
900
#0F5016
oklch(37.8% 0.11 144.4)
-
Step 950
950
#0C2F0E
oklch(27.1% 0.07 144.3)
#37A13F 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) | #A49235 | 0.125 |
| Deuteranopia (no green cones) | #978A47 | 0.123 |
| Tritanopia (no blue cones) | #1C9D8C | 0.104 |
| Achromatopsia (no color) | #8D8D8D | 0.168 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37A13F
#37A13F
oklch(62.7% 0.168 144.4)
- #B85FC0
#B85FC0
oklch(62.6% 0.168 324.2)
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 #37A13F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Green #50A747 ΔE 0.029
- Grass Green #3F9B0B ΔE 0.031
- Grassy Green #419C03 ΔE 0.032
- Medium Green #39AD48 ΔE 0.035
- Kelly Green #02AB2E ΔE 0.039
- Muted Green #5FA052 ΔE 0.043
- Irish Green #019529 ΔE 0.047
- Grass #5CAC2D ΔE 0.049
Use #37A13F 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.