#40755D
Closest named color: Dark Aquamarine (#017371). oklch(51.8% 0.069 163.1), rgb(64, 117, 93).
Aa
White text reads best on this color (5.35:1).
About this color
#40755D is a medium-dark, muted green. In OKLCH its lightness is 52%, its chroma 0.069 and its hue 163°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Aquamarine (#017371), ΔE 0.045 away. White text reads best on it, at 5.35:1.
| Hue family | Greens |
| Lightness | medium-dark (52%) |
| Chroma | muted (0.069) |
| Temperature | in between |
| Nearest name | Dark Aquamarine (#017371) |
| Black text | 3.92:1 |
| White text | 5.35:1 |
Values
| HEX | #40755D |
| RGB | rgb(64, 117, 93) |
| HSL | hsl(153, 29%, 35%) |
| OKLCH | oklch(51.8% 0.069 163.1) |
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 #40755D | 5.35:1 | AA | Lc -81.9 | Fine for body text |
| Black text on #40755D | 3.92:1 | AA large text | Lc 27.5 | Dividers and decoration only |
| #40755D text on white | 5.35:1 | AA | Lc 76.6 | Fine for body text |
| #40755D text on black | 3.92:1 | AA large text | Lc -25.2 | 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
#CFDDD6
oklch(88.5% 0.018 164.6)
-
Step 300
300
#AEC8BA
oklch(80.9% 0.034 162.1)
-
Step 400
400
#82AC97
oklch(70.8% 0.055 162.9)
-
Step 500
500
#62977E
oklch(63.2% 0.068 163.2)
-
Step 600
600
#478167
oklch(55.6% 0.074 163.4)
-
Step 700
700 (this color)
#40755D
oklch(51.8% 0.069 163.1)
-
Step 800
800
#2F5946
oklch(42.7% 0.057 163.1)
-
Step 900
900
#2A493B
oklch(37.6% 0.044 163.9)
-
Step 950
950
#192B22
oklch(27% 0.029 161.9)
#40755D 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) | #736E5C | 0.067 |
| Deuteranopia (no green cones) | #6B685E | 0.065 |
| Tritanopia (no blue cones) | #31756E | 0.028 |
| Achromatopsia (no color) | #6B6B6B | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40755D
#40755D
oklch(51.8% 0.069 163.1)
- #855873
#855873
oklch(51.8% 0.07 343.1)
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 #40755D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aquamarine #017371 ΔE 0.045
- Bluegreen #017A79 ΔE 0.047
- Deep Turquoise #017374 ΔE 0.049
- Dark Moss Green #606C38 ΔE 0.055
- Deep Aqua #08787F ΔE 0.055
- Teal #008080 ΔE 0.056
- Dark Olive Green #556B2F ΔE 0.058
- Dark Sage #598556 ΔE 0.062
Use #40755D 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.