#3F7F63
Closest named color: Dark Sage (#598556). oklch(54.6% 0.08 163.3), rgb(63, 127, 99).
Aa
White text reads best on this color (4.74:1).
About this color
#3F7F63 is a medium-dark, moderately saturated green. In OKLCH its lightness is 55%, its chroma 0.080 and its hue 163°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Sage (#598556), ΔE 0.040 away. White text reads best on it, at 4.74:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.080) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 4.42:1 |
| White text | 4.74:1 |
Values
| HEX | #3F7F63 |
| RGB | rgb(63, 127, 99) |
| HSL | hsl(154, 34%, 37%) |
| OKLCH | oklch(54.6% 0.08 163.3) |
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 #3F7F63 | 4.74:1 | AA | Lc -78.2 | Fine for body text |
| Black text on #3F7F63 | 4.42:1 | AA large text | Lc 31.3 | Non-text elements, placeholder text |
| #3F7F63 text on white | 4.74:1 | AA | Lc 72.8 | Content text, not long reading |
| #3F7F63 text on black | 4.42:1 | AA large text | Lc -28.9 | 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 600.
-
Step 50
50
#F3F6F4
oklch(97% 0.004 157.2)
-
Step 100
100
#E4ECE8
oklch(93.6% 0.01 164.9)
-
Step 200
200
#CEDDD5
oklch(88.4% 0.019 162.9)
-
Step 300
300
#ACC8BA
oklch(80.8% 0.036 163.9)
-
Step 400
400
#80AC96
oklch(70.6% 0.057 162.8)
-
Step 500
500
#5E987D
oklch(63.2% 0.074 163.2)
-
Step 600
600 (this color)
#3F7F63
oklch(54.6% 0.08 163.3)
-
Step 700
700
#336E55
oklch(49.1% 0.075 163.7)
-
Step 800
800
#2B5A45
oklch(42.8% 0.063 162.8)
-
Step 900
900
#284A3A
oklch(37.8% 0.049 162.5)
-
Step 950
950
#182B22
oklch(26.9% 0.03 163)
#3F7F63 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) | #7D7762 | 0.079 |
| Deuteranopia (no green cones) | #737065 | 0.076 |
| Tritanopia (no blue cones) | #2B7F77 | 0.032 |
| Achromatopsia (no color) | #737373 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F7F63
#3F7F63
oklch(54.6% 0.08 163.3)
- #915D7C
#915D7C
oklch(54.5% 0.08 343.5)
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 #3F7F63, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.040
- Sea Green #2E8B57 ΔE 0.047
- Teal #008080 ΔE 0.049
- Bluegreen #017A79 ΔE 0.050
- Viridian #1E9167 ΔE 0.054
- Military Green #667C3E ΔE 0.057
- Dark Cyan #008B8B ΔE 0.060
- Dark Aquamarine #017371 ΔE 0.061
Use #3F7F63 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.