#427E52
Closest named color: Dark Sage (#598556). oklch(54% 0.093 150.9), rgb(66, 126, 82).
Aa
White text reads best on this color (4.84:1).
About this color
#427E52 is a medium-dark, moderately saturated green. In OKLCH its lightness is 54%, its chroma 0.093 and its hue 151°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Sage (#598556), ΔE 0.035 away. White text reads best on it, at 4.84:1.
| Hue family | Greens |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.093) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 4.33:1 |
| White text | 4.84:1 |
Values
| HEX | #427E52 |
| RGB | rgb(66, 126, 82) |
| HSL | hsl(136, 31%, 38%) |
| OKLCH | oklch(54% 0.093 150.9) |
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 #427E52 | 4.84:1 | AA | Lc -78.8 | Fine for body text |
| Black text on #427E52 | 4.33:1 | AA large text | Lc 30.7 | Non-text elements, placeholder text |
| #427E52 text on white | 4.84:1 | AA | Lc 73.4 | Content text, not long reading |
| #427E52 text on black | 4.33:1 | AA large text | Lc -28.3 | 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
#E4ECE6
oklch(93.5% 0.012 153.7)
-
Step 200
200
#CFDED1
oklch(88.6% 0.024 149.3)
-
Step 300
300
#AEC9B3
oklch(81% 0.042 150.7)
-
Step 400
400
#82AD8B
oklch(70.7% 0.068 150.8)
-
Step 500
500
#61986F
oklch(63% 0.085 151.4)
-
Step 600
600 (this color)
#427E52
oklch(54% 0.093 150.9)
-
Step 700
700
#386F47
oklch(49.2% 0.087 150.9)
-
Step 800
800
#2F5A3A
oklch(42.7% 0.072 150.7)
-
Step 900
900
#2A4A32
oklch(37.7% 0.056 151)
-
Step 950
950
#192B1D
oklch(26.9% 0.035 150.5)
#427E52 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) | #7F754F | 0.080 |
| Deuteranopia (no green cones) | #766F55 | 0.078 |
| Tritanopia (no blue cones) | #367C73 | 0.051 |
| Achromatopsia (no color) | #727272 | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #427E52
#427E52
oklch(54% 0.093 150.9)
- #8E5A88
#8E5A88
oklch(54.1% 0.093 330.9)
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 #427E52, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.035
- Sea Green #2E8B57 ΔE 0.039
- Military Green #667C3E ΔE 0.043
- Jungle Green #048243 ΔE 0.044
- Muddy Green #657432 ΔE 0.050
- Swamp #698339 ΔE 0.055
- Viridian #1E9167 ΔE 0.056
- Dark Moss Green #606C38 ΔE 0.058
Use #427E52 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.