#427F4E
Closest named color: Dark Sage (#598556). oklch(54.2% 0.099 148.7), rgb(66, 127, 78).
Aa
White text reads best on this color (4.79:1).
About this color
#427F4E is a medium-dark, moderately saturated green. In OKLCH its lightness is 54%, its chroma 0.099 and its hue 149°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Sage (#598556), ΔE 0.034 away. White text reads best on it, at 4.79:1.
| Hue family | Greens |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.099) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 4.37:1 |
| White text | 4.79:1 |
Values
| HEX | #427F4E |
| RGB | rgb(66, 127, 78) |
| HSL | hsl(132, 32%, 38%) |
| OKLCH | oklch(54.2% 0.099 148.7) |
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 #427F4E | 4.79:1 | AA | Lc -78.6 | Fine for body text |
| Black text on #427F4E | 4.37:1 | AA large text | Lc 31.0 | Non-text elements, placeholder text |
| #427F4E text on white | 4.79:1 | AA | Lc 73.1 | Content text, not long reading |
| #427F4E text on black | 4.37:1 | AA large text | Lc -28.6 | 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
#F3F7F3
oklch(97.2% 0.007 145.5)
-
Step 100
100
#E4ECE5
oklch(93.5% 0.013 149.2)
-
Step 200
200
#CFDED0
oklch(88.5% 0.025 147.3)
-
Step 300
300
#AEC9B1
oklch(80.9% 0.044 148.3)
-
Step 400
400
#82AD88
oklch(70.6% 0.071 148.5)
-
Step 500
500
#61996A
oklch(63.1% 0.092 148.4)
-
Step 600
600 (this color)
#427F4E
oklch(54.2% 0.099 148.7)
-
Step 700
700
#376F42
oklch(49.1% 0.093 148.5)
-
Step 800
800
#2E5A37
oklch(42.6% 0.076 149)
-
Step 900
900
#2A4A30
oklch(37.6% 0.058 149)
-
Step 950
950
#192C1C
oklch(27.1% 0.039 148.4)
#427F4E 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) | #80764B | 0.081 |
| Deuteranopia (no green cones) | #777051 | 0.079 |
| Tritanopia (no blue cones) | #377D73 | 0.057 |
| Achromatopsia (no color) | #727272 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #427F4E
#427F4E
oklch(54.2% 0.099 148.7)
- #8F598C
#8F598C
oklch(54.2% 0.1 328.8)
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 #427F4E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.034
- Sea Green #2E8B57 ΔE 0.035
- Jungle Green #048243 ΔE 0.040
- Military Green #667C3E ΔE 0.041
- Muddy Green #657432 ΔE 0.049
- Swamp #698339 ΔE 0.051
- Fern Green #548D44 ΔE 0.053
- Viridian #1E9167 ΔE 0.054
Use #427F4E 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.