#427E4E
Closest named color: Dark Sage (#598556). oklch(53.9% 0.098 148.8), rgb(66, 126, 78).
Aa
White text reads best on this color (4.85:1).
About this color
#427E4E is a medium-dark, moderately saturated green. In OKLCH its lightness is 54%, its chroma 0.098 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 0.036 away. White text reads best on it, at 4.85:1.
| Hue family | Greens |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.098) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 4.32:1 |
| White text | 4.85:1 |
Values
| HEX | #427E4E |
| RGB | rgb(66, 126, 78) |
| HSL | hsl(132, 31%, 38%) |
| OKLCH | oklch(53.9% 0.098 148.8) |
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 #427E4E | 4.85:1 | AA | Lc -78.9 | Fine for body text |
| Black text on #427E4E | 4.32:1 | AA large text | Lc 30.6 | Non-text elements, placeholder text |
| #427E4E text on white | 4.85:1 | AA | Lc 73.5 | Content text, not long reading |
| #427E4E text on black | 4.32:1 | AA large text | Lc -28.2 | 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 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
#82AD89
oklch(70.6% 0.07 149.3)
-
Step 500
500
#62996B
oklch(63.2% 0.09 148.5)
-
Step 600
600 (this color)
#427E4E
oklch(53.9% 0.098 148.8)
-
Step 700
700
#386F43
oklch(49.2% 0.091 148.7)
-
Step 800
800
#2F5A37
oklch(42.6% 0.075 148.5)
-
Step 900
900
#2A4A30
oklch(37.6% 0.058 149)
-
Step 950
950
#192C1C
oklch(27.1% 0.039 148.4)
#427E4E 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) | #7F754B | 0.080 |
| Deuteranopia (no green cones) | #766F51 | 0.079 |
| Tritanopia (no blue cones) | #377C72 | 0.055 |
| Achromatopsia (no color) | #717171 | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #427E4E
#427E4E
oklch(53.9% 0.098 148.8)
- #8D598A
#8D598A
oklch(53.9% 0.097 328.8)
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 #427E4E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.036
- Sea Green #2E8B57 ΔE 0.038
- Jungle Green #048243 ΔE 0.041
- Military Green #667C3E ΔE 0.041
- Muddy Green #657432 ΔE 0.048
- Swamp #698339 ΔE 0.053
- Fern Green #548D44 ΔE 0.056
- Viridian #1E9167 ΔE 0.056
Use #427E4E 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.