#3F755D
Closest named color: Dark Aquamarine (#017371). oklch(51.8% 0.07 163.5), rgb(63, 117, 93).
Aa
White text reads best on this color (5.36:1).
About this color
#3F755D is a medium-dark, muted green. In OKLCH its lightness is 52%, its chroma 0.070 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 5.36:1.
| Hue family | Greens |
| Lightness | medium-dark (52%) |
| Chroma | muted (0.070) |
| Temperature | in between |
| Nearest name | Dark Aquamarine (#017371) |
| Black text | 3.91:1 |
| White text | 5.36:1 |
Values
| HEX | #3F755D |
| RGB | rgb(63, 117, 93) |
| HSL | hsl(153, 30%, 35%) |
| OKLCH | oklch(51.8% 0.07 163.5) |
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 #3F755D | 5.36:1 | AA | Lc -81.9 | Fine for body text |
| Black text on #3F755D | 3.91:1 | AA large text | Lc 27.5 | Dividers and decoration only |
| #3F755D text on white | 5.36:1 | AA | Lc 76.6 | Fine for body text |
| #3F755D text on black | 3.91:1 | AA large text | Lc -25.1 | 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
#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
#AEC8BB
oklch(81% 0.033 164)
-
Step 400
400
#82AC97
oklch(70.8% 0.055 162.9)
-
Step 500
500
#61977E
oklch(63.1% 0.069 163.6)
-
Step 600
600
#468167
oklch(55.5% 0.075 163.7)
-
Step 700
700 (this color)
#3F755D
oklch(51.8% 0.07 163.5)
-
Step 800
800
#2E5946
oklch(42.7% 0.058 163.6)
-
Step 900
900
#2A493B
oklch(37.6% 0.044 163.9)
-
Step 950
950
#192B23
oklch(27% 0.028 164.8)
#3F755D 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 | 0.068 |
| Deuteranopia (no green cones) | #6B685E | 0.066 |
| Tritanopia (no blue cones) | #30756E | 0.028 |
| Achromatopsia (no color) | #6B6B6B | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F755D
#3F755D
oklch(51.8% 0.07 163.5)
- #855872
#855872
oklch(51.8% 0.069 344.2)
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 #3F755D, 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 0.046
- Deep Turquoise #017374 ΔE 0.048
- Deep Aqua #08787F ΔE 0.055
- Teal #008080 ΔE 0.055
- Dark Moss Green #606C38 ΔE 0.055
- Dark Olive Green #556B2F ΔE 0.059
- Dark Aqua #05696B ΔE 0.063
Use #3F755D 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.