#377759
Closest named color: Dark Aquamarine (#017371). oklch(51.8% 0.082 161.2), rgb(55, 119, 89).
Aa
White text reads best on this color (5.32:1).
About this color
#377759 is a medium-dark, moderately saturated green. In OKLCH its lightness is 52%, its chroma 0.082 and its hue 161°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Aquamarine (#017371), ΔE 0.048 away. White text reads best on it, at 5.32:1.
| Hue family | Greens |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.082) |
| Temperature | in between |
| Nearest name | Dark Aquamarine (#017371) |
| Black text | 3.94:1 |
| White text | 5.32:1 |
Values
| HEX | #377759 |
| RGB | rgb(55, 119, 89) |
| HSL | hsl(152, 37%, 34%) |
| OKLCH | oklch(51.8% 0.082 161.2) |
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 #377759 | 5.32:1 | AA | Lc -81.6 | Fine for body text |
| Black text on #377759 | 3.94:1 | AA large text | Lc 27.8 | Dividers and decoration only |
| #377759 text on white | 5.32:1 | AA | Lc 76.3 | Fine for body text |
| #377759 text on black | 3.94:1 | AA large text | Lc -25.4 | 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
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E4ECE7
oklch(93.6% 0.011 158.8)
-
Step 200
200
#CDDED4
oklch(88.5% 0.023 160.2)
-
Step 300
300
#ABC9B8
oklch(80.9% 0.04 160.6)
-
Step 400
400
#7DAD94
oklch(70.6% 0.063 161.5)
-
Step 500
500
#5A997A
oklch(63.1% 0.081 161.5)
-
Step 600
600
#3D8362
oklch(55.5% 0.088 161)
-
Step 700
700 (this color)
#377759
oklch(51.8% 0.082 161.2)
-
Step 800
800
#285A43
oklch(42.6% 0.067 161.7)
-
Step 900
900
#264A38
oklch(37.6% 0.052 160.6)
-
Step 950
950
#172C21
oklch(27.1% 0.034 160.1)
#377759 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) | #766F57 | 0.080 |
| Deuteranopia (no green cones) | #6C685B | 0.077 |
| Tritanopia (no blue cones) | #22776F | 0.035 |
| Achromatopsia (no color) | #6B6B6B | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #377759
#377759
oklch(51.8% 0.082 161.2)
- #885576
#885576
oklch(51.7% 0.081 341.2)
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 #377759, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aquamarine #017371 ΔE 0.048
- Bluegreen #017A79 ΔE 0.049
- Deep Turquoise #017374 ΔE 0.052
- Dark Olive Green #556B2F ΔE 0.057
- Dark Moss Green #606C38 ΔE 0.057
- Teal #008080 ΔE 0.057
- Jungle Green #048243 ΔE 0.059
- Deep Aqua #08787F ΔE 0.060
Use #377759 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.