#37725D
Closest named color: Dark Aquamarine (#017371). oklch(50.6% 0.071 167.9), rgb(55, 114, 93).
Aa
White text reads best on this color (5.63:1).
About this color
#37725D is a medium-dark, moderately saturated green. In OKLCH its lightness is 51%, its chroma 0.071 and its hue 168°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Aquamarine (#017371), ΔE 0.037 away. White text reads best on it, at 5.63:1.
| Hue family | Greens |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.071) |
| Temperature | in between |
| Nearest name | Dark Aquamarine (#017371) |
| Black text | 3.72:1 |
| White text | 5.63:1 |
Values
| HEX | #37725D |
| RGB | rgb(55, 114, 93) |
| HSL | hsl(159, 35%, 33%) |
| OKLCH | oklch(50.6% 0.071 167.9) |
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 #37725D | 5.63:1 | AA | Lc -83.3 | Fine for body text |
| Black text on #37725D | 3.72:1 | AA large text | Lc 26.1 | Dividers and decoration only |
| #37725D text on white | 5.63:1 | AA | Lc 78.0 | Fine for body text |
| #37725D text on black | 3.72:1 | AA large text | Lc -23.8 | Dividers and decoration only |
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 700.
-
Step 50
50
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E4ECE8
oklch(93.6% 0.01 164.9)
-
Step 200
200
#CEDDD7
oklch(88.5% 0.018 170)
-
Step 300
300
#ACC8BC
oklch(80.9% 0.035 167.7)
-
Step 400
400
#7FAC9A
oklch(70.7% 0.055 168.2)
-
Step 500
500
#5D9781
oklch(63% 0.07 168)
-
Step 600
600
#41826B
oklch(55.7% 0.077 168.2)
-
Step 700
700 (this color)
#37725D
oklch(50.6% 0.071 167.9)
-
Step 800
800
#2B5949
oklch(42.6% 0.058 168.7)
-
Step 900
900
#274A3D
oklch(37.8% 0.047 167.9)
-
Step 950
950
#182B24
oklch(27% 0.028 168.9)
#37725D 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) | #706B5C | 0.073 |
| Deuteranopia (no green cones) | #66655E | 0.068 |
| Tritanopia (no blue cones) | #21726C | 0.026 |
| Achromatopsia (no color) | #676767 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37725D
#37725D
oklch(50.6% 0.071 167.9)
- #83546C
#83546C
oklch(50.6% 0.071 347.9)
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 #37725D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aquamarine #017371 ΔE 0.037
- Deep Turquoise #017374 ΔE 0.040
- Bluegreen #017A79 ΔE 0.044
- Dark Aqua #05696B ΔE 0.051
- Deep Aqua #08787F ΔE 0.052
- Dark Green Blue #1F6357 ΔE 0.054
- Teal #008080 ΔE 0.057
- Dark Moss Green #606C38 ΔE 0.060
Use #37725D 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.