#39745B
Closest named color: Dark Aquamarine (#017371). oklch(51.2% 0.074 164), rgb(57, 116, 91).
Aa
White text reads best on this color (5.49:1).
About this color
#39745B is a medium-dark, moderately saturated green. In OKLCH its lightness is 51%, its chroma 0.074 and its hue 164°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Aquamarine (#017371), ΔE 0.042 away. White text reads best on it, at 5.49:1.
| Hue family | Greens |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.074) |
| Temperature | in between |
| Nearest name | Dark Aquamarine (#017371) |
| Black text | 3.82:1 |
| White text | 5.49:1 |
Values
| HEX | #39745B |
| RGB | rgb(57, 116, 91) |
| HSL | hsl(155, 34%, 34%) |
| OKLCH | oklch(51.2% 0.074 164) |
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 #39745B | 5.49:1 | AA | Lc -82.6 | Fine for body text |
| Black text on #39745B | 3.82:1 | AA large text | Lc 26.8 | Dividers and decoration only |
| #39745B text on white | 5.49:1 | AA | Lc 77.3 | Fine for body text |
| #39745B text on black | 3.82:1 | AA large text | Lc -24.5 | 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
#F3F6F4
oklch(97% 0.004 157.2)
-
Step 100
100
#E4ECE8
oklch(93.6% 0.01 164.9)
-
Step 200
200
#CEDED6
oklch(88.6% 0.02 164.5)
-
Step 300
300
#ACC8BA
oklch(80.8% 0.036 163.9)
-
Step 400
400
#7FAC97
oklch(70.6% 0.057 164.5)
-
Step 500
500
#5D987E
oklch(63.1% 0.074 164.5)
-
Step 600
600
#428267
oklch(55.6% 0.079 164.3)
-
Step 700
700 (this color)
#39745B
oklch(51.2% 0.074 164)
-
Step 800
800
#2B5A46
oklch(42.8% 0.062 164)
-
Step 900
900
#284A3B
oklch(37.8% 0.048 164)
-
Step 950
950
#182B22
oklch(26.9% 0.03 163)
#39745B 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) | #726D5A | 0.073 |
| Deuteranopia (no green cones) | #69665D | 0.071 |
| Tritanopia (no blue cones) | #26746D | 0.029 |
| Achromatopsia (no color) | #696969 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #39745B
#39745B
oklch(51.2% 0.074 164)
- #855571
#855571
oklch(51.2% 0.074 344.2)
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 #39745B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aquamarine #017371 ΔE 0.042
- Deep Turquoise #017374 ΔE 0.046
- Bluegreen #017A79 ΔE 0.046
- Deep Aqua #08787F ΔE 0.055
- Dark Moss Green #606C38 ΔE 0.057
- Teal #008080 ΔE 0.057
- Dark Olive Green #556B2F ΔE 0.057
- Dark Aqua #05696B ΔE 0.059
Use #39745B 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.