#37A668
Closest named color: Jade (#1FA774). oklch(64.7% 0.137 154.8), rgb(55, 166, 104).
Aa
Black text reads best on this color (6.81:1).
About this color
#37A668 is a medium-light, moderately saturated green. In OKLCH its lightness is 65%, its chroma 0.137 and its hue 155°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jade (#1FA774), ΔE 0.016 away. Black text reads best on it, at 6.81:1.
| Hue family | Greens |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.137) |
| Temperature | in between |
| Nearest name | Jade (#1FA774) |
| Black text | 6.81:1 |
| White text | 3.08:1 |
Values
| HEX | #37A668 |
| RGB | rgb(55, 166, 104) |
| HSL | hsl(146, 50%, 43%) |
| OKLCH | oklch(64.7% 0.137 154.8) |
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 #37A668 | 3.08:1 | AA large text | Lc -62.7 | Content text, not long reading |
| Black text on #37A668 | 6.81:1 | AA | Lc 46.7 | Large or bold text, headings |
| #37A668 text on white | 3.08:1 | AA large text | Lc 57.4 | Large or bold text, headings |
| #37A668 text on black | 6.81:1 | AA | Lc -44.4 | 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
#F1F7F3
oklch(97.1% 0.008 157.1)
-
Step 100
100
#E0EEE4
oklch(93.6% 0.02 154.9)
-
Step 200
200
#C7E1CF
oklch(88.6% 0.037 155.4)
-
Step 300
300
#9FCEAE
oklch(80.9% 0.067 154.9)
-
Step 400
400
#66B483
oklch(70.6% 0.106 155)
-
Step 500
500 (this color)
#37A668
oklch(64.7% 0.137 154.8)
-
Step 600
600
#008A4D
oklch(55.6% 0.138 154.7)
-
Step 700
700
#007440
oklch(49.1% 0.122 154.8)
-
Step 800
800
#005F34
oklch(42.6% 0.105 155.1)
-
Step 900
900
#084F2B
oklch(37.7% 0.09 154.5)
-
Step 950
950
#0A2E1A
oklch(26.9% 0.055 155.2)
#37A668 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) | #A69964 | 0.122 |
| Deuteranopia (no green cones) | #978F6C | 0.118 |
| Tritanopia (no blue cones) | #00A496 | 0.067 |
| Achromatopsia (no color) | #939393 | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37A668
#37A668
oklch(64.7% 0.137 154.8)
- #C06CAF
#C06CAF
oklch(64.7% 0.136 335)
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 #37A668, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jade #1FA774 ΔE 0.016
- Seaweed Green #35AD6B ΔE 0.020
- Jade Green #2BAF6A ΔE 0.026
- Algae #54AC68 ΔE 0.029
- Dark Seafoam Green #3EAF76 ΔE 0.029
- Bluey Green #2BB179 ΔE 0.033
- Muted Green #5FA052 ΔE 0.034
- Medium Sea Green #3CB371 ΔE 0.038
Use #37A668 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.