#427251
Closest named color: Dark Olive Green (#556B2F). oklch(50.8% 0.075 153), rgb(66, 114, 81).
Aa
White text reads best on this color (5.58:1).
About this color
#427251 is a medium-dark, moderately saturated green. In OKLCH its lightness is 51%, its chroma 0.075 and its hue 153°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive Green (#556B2F), ΔE 0.043 away. White text reads best on it, at 5.58:1.
| Hue family | Greens |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.075) |
| Temperature | in between |
| Nearest name | Dark Olive Green (#556B2F) |
| Black text | 3.75:1 |
| White text | 5.58:1 |
Values
| HEX | #427251 |
| RGB | rgb(66, 114, 81) |
| HSL | hsl(139, 27%, 35%) |
| OKLCH | oklch(50.8% 0.075 153) |
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 #427251 | 5.58:1 | AA | Lc -83.1 | Fine for body text |
| Black text on #427251 | 3.75:1 | AA large text | Lc 26.2 | Dividers and decoration only |
| #427251 text on white | 5.58:1 | AA | Lc 77.8 | Fine for body text |
| #427251 text on black | 3.75:1 | AA large text | Lc -23.9 | 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 700.
-
Step 50
50
#F3F6F4
oklch(97% 0.004 157.2)
-
Step 100
100
#E5ECE7
oklch(93.6% 0.01 155.1)
-
Step 200
200
#D0DDD3
oklch(88.5% 0.019 152.8)
-
Step 300
300
#B0C8B6
oklch(81% 0.036 153.1)
-
Step 400
400
#86AC90
oklch(70.8% 0.058 152.9)
-
Step 500
500
#669774
oklch(63.1% 0.075 152.8)
-
Step 600
600
#4C815D
oklch(55.6% 0.08 153.4)
-
Step 700
700 (this color)
#427251
oklch(50.8% 0.075 153)
-
Step 800
800
#33593F
oklch(42.7% 0.062 153.2)
-
Step 900
900
#2D4935
oklch(37.7% 0.048 152.6)
-
Step 950
950
#1B2B1F
oklch(27.1% 0.031 151.7)
#427251 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) | #726B4F | 0.065 |
| Deuteranopia (no green cones) | #6B6653 | 0.064 |
| Tritanopia (no blue cones) | #397169 | 0.038 |
| Achromatopsia (no color) | #686868 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #427251
#427251
oklch(50.8% 0.075 153)
- #7F5578
#7F5578
oklch(50.7% 0.075 332.7)
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 #427251, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive Green #556B2F ΔE 0.043
- Dark Moss Green #606C38 ΔE 0.043
- Muddy Green #657432 ΔE 0.055
- Camo Green #526525 ΔE 0.055
- Dark Aquamarine #017371 ΔE 0.056
- Deep Turquoise #017374 ΔE 0.060
- Bluegreen #017A79 ΔE 0.061
- Military Green #667C3E ΔE 0.063
Use #427251 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.