#37A04A
Closest named color: Mid Green (#50A747). oklch(62.6% 0.157 146.6), rgb(55, 160, 74).
Aa
Black text reads best on this color (6.28:1).
About this color
#37A04A is a medium-light, vivid green. In OKLCH its lightness is 63%, its chroma 0.157 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 0.030 away. Black text reads best on it, at 6.28:1.
| Hue family | Greens |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.157) |
| Temperature | in between |
| Nearest name | Mid Green (#50A747) |
| Black text | 6.28:1 |
| White text | 3.33:1 |
Values
| HEX | #37A04A |
| RGB | rgb(55, 160, 74) |
| HSL | hsl(131, 49%, 42%) |
| OKLCH | oklch(62.6% 0.157 146.6) |
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 #37A04A | 3.33:1 | AA large text | Lc -65.9 | Content text, not long reading |
| Black text on #37A04A | 6.28:1 | AA | Lc 43.6 | Non-text elements, placeholder text |
| #37A04A text on white | 3.33:1 | AA large text | Lc 60.4 | Content text, not long reading |
| #37A04A text on black | 6.28:1 | AA | Lc -41.3 | 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
#C8E1C9
oklch(88.5% 0.042 146.3)
-
Step 300
300
#A1CFA4
oklch(81% 0.077 146.5)
-
Step 400
400
#6AB572
oklch(70.7% 0.122 146.6)
-
Step 500
500 (this color)
#37A04A
oklch(62.6% 0.157 146.6)
-
Step 600
600
#008C2F
oklch(55.7% 0.167 146.6)
-
Step 700
700
#007526
oklch(49% 0.147 146.7)
-
Step 800
800
#00601E
oklch(42.6% 0.127 146.7)
-
Step 900
900
#0F4F1D
oklch(37.6% 0.102 146.7)
-
Step 950
950
#0C2F12
oklch(27.1% 0.066 146.7)
#37A04A 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) | #A29242 | 0.122 |
| Deuteranopia (no green cones) | #958950 | 0.121 |
| Tritanopia (no blue cones) | #179C8C | 0.093 |
| Achromatopsia (no color) | #8D8D8D | 0.158 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37A04A
#37A04A
oklch(62.6% 0.157 146.6)
- #B762B9
#B762B9
oklch(62.6% 0.156 326.4)
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 #37A04A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Green #50A747 ΔE 0.030
- Muted Green #5FA052 ΔE 0.036
- Medium Green #39AD48 ΔE 0.040
- Grass Green #3F9B0B ΔE 0.041
- Grassy Green #419C03 ΔE 0.043
- Flat Green #699D4C ΔE 0.044
- Seaweed Green #35AD6B ΔE 0.047
- Jade Green #2BAF6A ΔE 0.048
Use #37A04A 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.