#427A4E
Closest named color: Dark Sage (#598556). oklch(52.9% 0.091 149.4), rgb(66, 122, 78).
Aa
White text reads best on this color (5.09:1).
About this color
#427A4E is a medium-dark, moderately saturated green. In OKLCH its lightness is 53%, its chroma 0.091 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 0.045 away. White text reads best on it, at 5.09:1.
| Hue family | Greens |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.091) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 4.12:1 |
| White text | 5.09:1 |
Values
| HEX | #427A4E |
| RGB | rgb(66, 122, 78) |
| HSL | hsl(133, 30%, 37%) |
| OKLCH | oklch(52.9% 0.091 149.4) |
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 #427A4E | 5.09:1 | AA | Lc -80.4 | Fine for body text |
| Black text on #427A4E | 4.12:1 | AA large text | Lc 29.1 | Dividers and decoration only |
| #427A4E text on white | 5.09:1 | AA | Lc 75.0 | Content text, not long reading |
| #427A4E text on black | 4.12:1 | AA large text | Lc -26.7 | 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
#F3F6F3
oklch(97% 0.005 145.5)
-
Step 100
100
#E5ECE6
oklch(93.6% 0.011 149.9)
-
Step 200
200
#CFDED1
oklch(88.6% 0.024 149.3)
-
Step 300
300
#AFC8B3
oklch(80.8% 0.04 149.9)
-
Step 400
400
#84AC8B
oklch(70.6% 0.065 149.7)
-
Step 500
500
#64986E
oklch(63.1% 0.084 149.5)
-
Step 600
600 (this color)
#427A4E
oklch(52.9% 0.091 149.4)
-
Step 700
700
#3B6E46
oklch(49.1% 0.084 149.4)
-
Step 800
800
#315A3A
oklch(42.8% 0.07 149.7)
-
Step 900
900
#2C4A32
oklch(37.8% 0.054 149.6)
-
Step 950
950
#1A2B1D
oklch(26.9% 0.034 149.2)
#427A4E 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) | #7B724B | 0.076 |
| Deuteranopia (no green cones) | #736C51 | 0.075 |
| Tritanopia (no blue cones) | #38786F | 0.052 |
| Achromatopsia (no color) | #6E6E6E | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #427A4E
#427A4E
oklch(52.9% 0.091 149.4)
- #895785
#895785
oklch(52.8% 0.092 329.6)
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 #427A4E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.045
- Military Green #667C3E ΔE 0.045
- Muddy Green #657432 ΔE 0.046
- Jungle Green #048243 ΔE 0.046
- Dark Olive Green #556B2F ΔE 0.049
- Dark Moss Green #606C38 ΔE 0.049
- Sea Green #2E8B57 ΔE 0.050
- Swamp #698339 ΔE 0.061
Use #427A4E 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.