#37A256
Closest named color: Mid Green (#50A747). oklch(63.3% 0.148 149.5), rgb(55, 162, 86).
Aa
Black text reads best on this color (6.46:1).
About this color
#37A256 is a medium-light, vivid green. In OKLCH its lightness is 63%, its chroma 0.148 and its hue 150°. 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 6.46:1.
| Hue family | Greens |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.148) |
| Temperature | in between |
| Nearest name | Mid Green (#50A747) |
| Black text | 6.46:1 |
| White text | 3.24:1 |
Values
| HEX | #37A256 |
| RGB | rgb(55, 162, 86) |
| HSL | hsl(137, 49%, 43%) |
| OKLCH | oklch(63.3% 0.148 149.5) |
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 #37A256 | 3.24:1 | AA large text | Lc -64.8 | Content text, not long reading |
| Black text on #37A256 | 6.46:1 | AA | Lc 44.7 | Non-text elements, placeholder text |
| #37A256 text on white | 3.24:1 | AA large text | Lc 59.4 | Large or bold text, headings |
| #37A256 text on black | 6.46:1 | AA | Lc -42.3 | 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
#F1F7F2
oklch(97% 0.009 150.7)
-
Step 100
100
#E1EEE2
oklch(93.6% 0.021 147.6)
-
Step 200
200
#C7E1CB
oklch(88.5% 0.041 149.8)
-
Step 300
300
#A0CEA8
oklch(80.8% 0.072 149.8)
-
Step 400
400
#68B579
oklch(70.7% 0.116 149.7)
-
Step 500
500 (this color)
#37A256
oklch(63.3% 0.148 149.5)
-
Step 600
600
#008B3C
oklch(55.6% 0.155 149.4)
-
Step 700
700
#007532
oklch(49.1% 0.137 149.6)
-
Step 800
800
#006027
oklch(42.7% 0.12 149.3)
-
Step 900
900
#0D4F23
oklch(37.7% 0.097 149.5)
-
Step 950
950
#0B2E15
oklch(26.8% 0.061 149.7)
#37A256 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) | #A39450 | 0.122 |
| Deuteranopia (no green cones) | #968B5B | 0.120 |
| Tritanopia (no blue cones) | #0C9F90 | 0.083 |
| Achromatopsia (no color) | #8F8F8F | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37A256
#37A256
oklch(63.3% 0.148 149.5)
- #BA65B5
#BA65B5
oklch(63.2% 0.149 329.3)
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 #37A256, closest first.
No curated palette has a color within ΔE 0.04 of #37A256.
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 0.031
- Seaweed Green #35AD6B ΔE 0.035
- Jade #1FA774 ΔE 0.036
- Jade Green #2BAF6A ΔE 0.038
- Medium Green #39AD48 ΔE 0.040
- Flat Green #699D4C ΔE 0.041
- Algae #54AC68 ΔE 0.043
Use #37A256 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.