#427F65
Closest named color: Dark Sage (#598556). oklch(54.8% 0.076 164.2), rgb(66, 127, 101).
Aa
White text reads best on this color (4.71:1).
About this color
#427F65 is a medium-dark, moderately saturated green. In OKLCH its lightness is 55%, its chroma 0.076 and its hue 164°. 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 4.71:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.076) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 4.45:1 |
| White text | 4.71:1 |
Values
| HEX | #427F65 |
| RGB | rgb(66, 127, 101) |
| HSL | hsl(154, 32%, 38%) |
| OKLCH | oklch(54.8% 0.076 164.2) |
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 #427F65 | 4.71:1 | AA | Lc -78.0 | Fine for body text |
| Black text on #427F65 | 4.45:1 | AA large text | Lc 31.5 | Non-text elements, placeholder text |
| #427F65 text on white | 4.71:1 | AA | Lc 72.6 | Content text, not long reading |
| #427F65 text on black | 4.45:1 | AA large text | Lc -29.1 | 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 600.
-
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
#ADC8BB
oklch(80.9% 0.034 164.9)
-
Step 400
400
#81AC98
oklch(70.7% 0.055 164.7)
-
Step 500
500
#60977E
oklch(63.1% 0.07 164)
-
Step 600
600 (this color)
#427F65
oklch(54.8% 0.076 164.2)
-
Step 700
700
#366D56
oklch(49% 0.07 164.4)
-
Step 800
800
#2D5946
oklch(42.6% 0.059 164)
-
Step 900
900
#29493B
oklch(37.6% 0.045 164.5)
-
Step 950
950
#192B23
oklch(27% 0.028 164.8)
#427F65 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) | #7D7764 | 0.076 |
| Deuteranopia (no green cones) | #737167 | 0.072 |
| Tritanopia (no blue cones) | #2F7F78 | 0.031 |
| Achromatopsia (no color) | #737373 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #427F65
#427F65
oklch(54.8% 0.076 164.2)
- #915F7C
#915F7C
oklch(54.9% 0.076 344.2)
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 #427F65, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.040
- Teal #008080 ΔE 0.047
- Sea Green #2E8B57 ΔE 0.050
- Bluegreen #017A79 ΔE 0.050
- Viridian #1E9167 ΔE 0.056
- Military Green #667C3E ΔE 0.058
- Dark Cyan #008B8B ΔE 0.058
- Deep Aqua #08787F ΔE 0.060
Use #427F65 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.