#337455
Closest named color: Dark Aquamarine (#017371). oklch(50.7% 0.084 160.5), rgb(51, 116, 85).
Aa
White text reads best on this color (5.57:1).
About this color
#337455 is a medium-dark, moderately saturated green. In OKLCH its lightness is 51%, its chroma 0.084 and its hue 160°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Aquamarine (#017371), ΔE 0.047 away. White text reads best on it, at 5.57:1.
| Hue family | Greens |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.084) |
| Temperature | in between |
| Nearest name | Dark Aquamarine (#017371) |
| Black text | 3.77:1 |
| White text | 5.57:1 |
Values
| HEX | #337455 |
| RGB | rgb(51, 116, 85) |
| HSL | hsl(151, 39%, 33%) |
| OKLCH | oklch(50.7% 0.084 160.5) |
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 #337455 | 5.57:1 | AA | Lc -82.9 | Fine for body text |
| Black text on #337455 | 3.77:1 | AA large text | Lc 26.4 | Dividers and decoration only |
| #337455 text on white | 5.57:1 | AA | Lc 77.6 | Fine for body text |
| #337455 text on black | 3.77:1 | AA large text | Lc -24.1 | 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
#E3ECE7
oklch(93.5% 0.012 162)
-
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
#7DAE93
oklch(70.8% 0.066 160)
-
Step 500
500
#599979
oklch(63.1% 0.083 161)
-
Step 600
600
#3D8461
oklch(55.7% 0.091 159.9)
-
Step 700
700 (this color)
#337455
oklch(50.7% 0.084 160.5)
-
Step 800
800
#275B42
oklch(42.8% 0.07 160.4)
-
Step 900
900
#254A38
oklch(37.6% 0.053 161.2)
-
Step 950
950
#172C21
oklch(27.1% 0.034 160.1)
#337455 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) | #736C53 | 0.080 |
| Deuteranopia (no green cones) | #696557 | 0.078 |
| Tritanopia (no blue cones) | #1C746C | 0.036 |
| Achromatopsia (no color) | #686868 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #337455
#337455
oklch(50.7% 0.084 160.5)
- #855274
#855274
oklch(50.8% 0.083 340.3)
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 #337455, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aquamarine #017371 ΔE 0.047
- Deep Turquoise #017374 ΔE 0.052
- Dark Olive Green #556B2F ΔE 0.053
- Bluegreen #017A79 ΔE 0.053
- Dark Moss Green #606C38 ΔE 0.056
- Dark Green Blue #1F6357 ΔE 0.060
- Jungle Green #048243 ΔE 0.060
- Dark Aqua #05696B ΔE 0.062
Use #337455 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.