#427F40
Closest named color: Jungle Green (#048243). oklch(53.9% 0.114 143.2), rgb(66, 127, 64).
Aa
White text reads best on this color (4.83:1).
About this color
#427F40 is a medium-dark, moderately saturated green. In OKLCH its lightness is 54%, its chroma 0.114 and its hue 143°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jungle Green (#048243), ΔE 0.032 away. White text reads best on it, at 4.83:1.
| Hue family | Greens |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.114) |
| Temperature | in between |
| Nearest name | Jungle Green (#048243) |
| Black text | 4.34:1 |
| White text | 4.83:1 |
Values
| HEX | #427F40 |
| RGB | rgb(66, 127, 64) |
| HSL | hsl(118, 33%, 37%) |
| OKLCH | oklch(53.9% 0.114 143.2) |
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 #427F40 | 4.83:1 | AA | Lc -78.8 | Fine for body text |
| Black text on #427F40 | 4.34:1 | AA large text | Lc 30.7 | Non-text elements, placeholder text |
| #427F40 text on white | 4.83:1 | AA | Lc 73.4 | Content text, not long reading |
| #427F40 text on black | 4.34:1 | 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
#F3F7F2
oklch(97.2% 0.008 139.4)
-
Step 100
100
#E4EDE4
oklch(93.7% 0.015 145.5)
-
Step 200
200
#CFDECD
oklch(88.5% 0.028 142)
-
Step 300
300
#AECAAC
oklch(81% 0.051 143.3)
-
Step 400
400
#82AE7F
oklch(70.6% 0.082 143.1)
-
Step 500
500
#629A5F
oklch(63.2% 0.105 143.1)
-
Step 600
600 (this color)
#427F40
oklch(53.9% 0.114 143.2)
-
Step 700
700
#387036
oklch(49.2% 0.107 143.1)
-
Step 800
800
#2F5B2D
oklch(42.7% 0.088 143)
-
Step 900
900
#2A4B29
oklch(37.8% 0.069 143.4)
-
Step 950
950
#192C18
oklch(27% 0.044 143.1)
#427F40 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) | #81753B | 0.084 |
| Deuteranopia (no green cones) | #796F44 | 0.084 |
| Tritanopia (no blue cones) | #3A7C70 | 0.071 |
| Achromatopsia (no color) | #727272 | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #427F40
#427F40
oklch(53.9% 0.114 143.2)
- #8E5694
#8E5694
oklch(54% 0.113 323.5)
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 #427F40, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jungle Green #048243 ΔE 0.032
- Sea Green #2E8B57 ΔE 0.038
- Military Green #667C3E ΔE 0.042
- Dark Sage #598556 ΔE 0.043
- Tree Green #2A7E19 ΔE 0.045
- Muddy Green #657432 ΔE 0.047
- Swamp #698339 ΔE 0.048
- Fern Green #548D44 ΔE 0.048
Use #427F40 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.