#336E57
Closest named color: Dark Aquamarine (#017371). oklch(49.2% 0.073 165.7), rgb(51, 110, 87).
Aa
White text reads best on this color (5.98:1).
About this color
#336E57 is a medium-dark, moderately saturated green. In OKLCH its lightness is 49%, its chroma 0.073 and its hue 166°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Aquamarine (#017371), ΔE 0.041 away. White text reads best on it, at 5.98:1.
| Hue family | Greens |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.073) |
| Temperature | in between |
| Nearest name | Dark Aquamarine (#017371) |
| Black text | 3.50:1 |
| White text | 5.98:1 |
Values
| HEX | #336E57 |
| RGB | rgb(51, 110, 87) |
| HSL | hsl(157, 37%, 32%) |
| OKLCH | oklch(49.2% 0.073 165.7) |
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 #336E57 | 5.98:1 | AA | Lc -85.0 | Fine for body text |
| Black text on #336E57 | 3.50:1 | AA large text | Lc 24.3 | Dividers and decoration only |
| #336E57 text on white | 5.98:1 | AA | Lc 79.8 | Fine for body text |
| #336E57 text on black | 3.50:1 | AA large text | Lc -22.1 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E4ECE8
oklch(93.6% 0.01 164.9)
-
Step 200
200
#CEDDD6
oklch(88.4% 0.019 166.3)
-
Step 300
300
#ACC8BB
oklch(80.8% 0.035 165.8)
-
Step 400
400
#7FAC98
oklch(70.6% 0.057 165.7)
-
Step 500
500
#5D987F
oklch(63.2% 0.073 165.4)
-
Step 600
600
#428268
oklch(55.6% 0.078 165.2)
-
Step 700
700 (this color)
#336E57
oklch(49.2% 0.073 165.7)
-
Step 800
800
#2B5A47
oklch(42.8% 0.061 165.2)
-
Step 900
900
#284A3C
oklch(37.8% 0.047 165.7)
-
Step 950
950
#182B23
oklch(27% 0.029 165.8)
#336E57 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) | #6C6756 | 0.073 |
| Deuteranopia (no green cones) | #636158 | 0.069 |
| Tritanopia (no blue cones) | #1D6E67 | 0.027 |
| Achromatopsia (no color) | #636363 | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #336E57
#336E57
oklch(49.2% 0.073 165.7)
- #7F506A
#7F506A
oklch(49.3% 0.072 345.8)
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 #336E57, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aquamarine #017371 ΔE 0.041
- Dark Green Blue #1F6357 ΔE 0.041
- Deep Turquoise #017374 ΔE 0.045
- Dark Aqua #05696B ΔE 0.046
- Bluegreen #017A79 ΔE 0.054
- Dark Olive Green #556B2F ΔE 0.057
- Deep Aqua #08787F ΔE 0.060
- Dark Moss Green #606C38 ΔE 0.060
Use #336E57 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.