#31755F
Closest named color: Dark Aquamarine (#017371). oklch(51.2% 0.078 169.2), rgb(49, 117, 95).
Aa
White text reads best on this color (5.46:1).
About this color
#31755F is a medium-dark, moderately saturated green. In OKLCH its lightness is 51%, its chroma 0.078 and its hue 169°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Aquamarine (#017371), ΔE 0.036 away. White text reads best on it, at 5.46:1.
| Hue family | Greens |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.078) |
| Temperature | in between |
| Nearest name | Dark Aquamarine (#017371) |
| Black text | 3.84:1 |
| White text | 5.46:1 |
Values
| HEX | #31755F |
| RGB | rgb(49, 117, 95) |
| HSL | hsl(161, 41%, 33%) |
| OKLCH | oklch(51.2% 0.078 169.2) |
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 #31755F | 5.46:1 | AA | Lc -82.4 | Fine for body text |
| Black text on #31755F | 3.84:1 | AA large text | Lc 27.0 | Dividers and decoration only |
| #31755F text on white | 5.46:1 | AA | Lc 77.1 | Fine for body text |
| #31755F text on black | 3.84:1 | AA large text | Lc -24.7 | 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
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E3ECE8
oklch(93.5% 0.011 167.8)
-
Step 200
200
#CCDED7
oklch(88.5% 0.021 170.6)
-
Step 300
300
#AAC9BC
oklch(80.9% 0.038 168.1)
-
Step 400
400
#7BAD9A
oklch(70.7% 0.06 169)
-
Step 500
500
#579982
oklch(63.2% 0.077 169.3)
-
Step 600
600
#39836B
oklch(55.6% 0.083 169.2)
-
Step 700
700 (this color)
#31755F
oklch(51.2% 0.078 169.2)
-
Step 800
800
#255A49
oklch(42.6% 0.064 169.5)
-
Step 900
900
#234A3D
oklch(37.6% 0.05 169.6)
-
Step 950
950
#162C24
oklch(27.2% 0.032 168.6)
#31755F 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) | #726E5E | 0.079 |
| Deuteranopia (no green cones) | #686660 | 0.076 |
| Tritanopia (no blue cones) | #0E766F | 0.027 |
| Achromatopsia (no color) | #696969 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31755F
#31755F
oklch(51.2% 0.078 169.2)
- #88546E
#88546E
oklch(51.3% 0.077 348.8)
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 #31755F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aquamarine #017371 ΔE 0.036
- Deep Turquoise #017374 ΔE 0.039
- Bluegreen #017A79 ΔE 0.039
- Deep Aqua #08787F ΔE 0.049
- Teal #008080 ΔE 0.051
- Dark Aqua #05696B ΔE 0.054
- Dark Green Blue #1F6357 ΔE 0.060
- Dark Moss Green #606C38 ΔE 0.064
Use #31755F 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.